IONICS INC
10-K405, 1997-03-28
SPECIAL INDUSTRY MACHINERY, NEC
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                          FORM 10-K  

              SECURITIES AND EXCHANGE COMMISSION

                     Washington, DC 20549

[ X ]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
        SECURITIES EXCHANGE ACT OF 1934 [FEE REQUIRED]

For the fiscal year ended   December 31, 1996               

                              OR

[   ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
        SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED]

For the transition period ended                             

Commission File Number          1-7211                      

                    Ionics, Incorporated                    
    (Exact name of registrant as specified in its charter)

            Massachusetts                    04-2068530     
   State or other jurisdiction of      (I.R.S. Employer 
   incorporation or organization        Identification Number)

 65 Grove Street, Watertown, Massachusetts        02172     
(Address of principal executive offices)        (Zip Code)

Registrant's telephone number, including area code: 617-926-2500


Securities registered pursuant to Section 12(b) of the Act:

   Title of each class         Name of each exchange on which registered

Common Stock, $1 par value              New York Stock Exchange 

       Securities registered pursuant to Section 12(g) of the Act:

                                  None                           
                            (Title of Class)

Indicate by check mark whether the registrant (1) has filed all
reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months
(or for such shorter period that the registrant was required to
file such reports), and (2) has been subject to such filing
requirements for the past 90 days.  YES   X       NO       

Indicate by check mark if disclosure of delinquent filers
pursuant to Item 405 of Regulation S-K is not contained herein,
and will not be contained, to the best of registrant's
knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K.      [X]

1



State the aggregate market value of the voting stock held by
non-affiliates of the registrant.  The aggregate market value
shall be computed by reference to the price at which the stock
was sold, or the average bid and asked prices of such stock, as
of a specified date within 60 days prior to the date of filing.
The aggregate market value of the voting stock held by non-
affiliates as of March 21, 1997 was $715,710,320 (15,559,320
shares at $46 per share) (includes shares owned by a trust for
the indirect benefit of a non-employee director, and by a trust
for the indirect benefit of a spouse of a non-employee
director).


          (APPLICABLE ONLY TO CORPORATE REGISTRANTS)

     Indicate the number of shares outstanding of each of the
registrant's classes of common stock, as of the latest
practicable date.  As of March 21, 1997, 15,913,621 shares of
Common Stock, $1 par value, were issued and outstanding.

              DOCUMENTS INCORPORATED BY REFERENCE

Portions of the 1996 Annual Report to Stockholders. Parts I, II
                                                    (for Item 201      
                                                    information)
                                                    and IV

Portions of the Definitive Proxy Statement for 
the Annual Meeting of Stockholders to be held 
on May 8, 1997.                                     Part III



























2



                             PART I

Item 1.  BUSINESS

     Ionics, Incorporated ("Ionics," the "Company," or the
"Registrant") is a leading water purification company engaged
worldwide in the supply of water and of water treatment equipment
through the use of proprietary separations technologies and
systems.  Ionics' products and services are used by the Company or
its customers to desalt brackish water and seawater, to purify and
supply bottled water, to treat water in the home, to manufacture
and supply water treatment chemicals and ultrapure water, to
process food products, recycle and reclaim process water and
wastewater, and to measure levels of water-borne contaminants and
pollutants.  The Company's customers include industrial companies,
consumers, municipalities and utilities.

     The Company's business activities are divided into three
segments:  Membranes and Related Equipment; Water, Food and
Chemical Supply; and Consumer Products, which in 1996 accounted
for approximately 46%, 34% and 20% of revenues, respectively.
Approximately 36% of the Company's 1996 revenues were derived from
foreign sales or operations.  Since 1985, the Company has pursued
a strategy of expanding beyond its traditional focus of selling
desalination plants and equipment by owning and operating its own
equipment to produce and sell water, food and chemicals.  In 1996,
the Water, Food and Chemical Supply and Consumer Products business
segments accounted for 66% of the Company's earnings before
interest and taxes.  

     Currently, the Company's three business segments encompass
ten business areas or applications described by the Company as its
"Ten-Cylinder EngineSM" strategy.  The description of the
Company's business segments under this Item is further divided
into a description of these business areas.

     Over forty years ago, the Company pioneered the development
of the ion-exchange membrane and the electrodialysis process.
Since that time, the Company has expanded its separations
technology base to include a number of membrane and non-membrane-
based separations processes which the Company refers to as "The
Ionics ToolboxSM."  These separations processes include
electrodialysis reversal (EDR), reverse osmosis (RO),
ultrafiltration (UF), microfiltration (MF), electrodeionization
(EDI), electrolysis, ion exchange, carbon adsorption, and thermal
processes such as evaporation and crystallization, as well as
solvent extraction and recovery processes.  The Company believes
that it is the world's leading manufacturer of ion-exchange
membranes and of membrane-based systems for the desalination of
water.  

     The Company was incorporated in Massachusetts in 1948.  The
Company's principal executive offices are located at 65 Grove
Street, Watertown, Massachusetts 02172.


3

                               I-1




Financial Information About Business Segments

     The information contained in Note 14 of Notes to Consolidated
Financial Statements contained in the Company's Annual Report to
Stockholders for the year ended December 31, 1996 is incorporated
herein by reference.

Membranes and Related Equipment

     The Company's Membranes and Related Equipment business
segment, which accounted for approximately 46% of revenues in 1996
and provides membrane-based and other advanced technology systems
to the municipal and industrial markets, is divided into four
market areas:  desalination and related water treatment equipment;
wastewater treatment equipment; instruments; and ultrapure water
equipment.

     1.    Desalination and Related Water Treatment Equipment

     Opportunities for the sale of desalination and related
water treatment equipment arise from changes in the needs of
people and municipalities, from industrial shifts and growth,
and from a need to avert environmental concerns.  With less
than 1% of the total water on the planet fresh and usable,
desalination has played an important role in creating new water
sources.

     The Company sells a wide spectrum of products and systems
to serve this market which utilize technologies including
electrodialysis reversal, ion exchange, electrodeionization,
reverse osmosis, ultrafiltration, and carbon adsorption.
Depending on the customers' needs, the Company provides
standardized versions of systems utilizing one or more of the
technologies mentioned, or can supply complete turnkey plants
that may include standardized models as well as peripheral
water treatment equipment, complete engineering services,
process and equipment design, project engineering,
commissioning, operator training and field service.

     2.    Wastewater Treatment Equipment

     The market for wastewater treatment, recycle and reuse has
shown significant growth as world demand for water of specified
quality continues to increase and as regulations limiting waste
discharges to the environment continue to mount.  The
wastewater market is increasingly driven by the concept of
Total Water ManagementSM, which involves the recognition that
the water streams which enter, leave or become part of a
process can be managed to achieve overall economic
efficiencies.  Ionics services the wastewater market with brine
concentrators and crystallizers, traditional wastewater
treatment equipment, and special electrodialysis reversal
membrane-based concentrators for recycle and reuse.



4

                               I-2



     The Company designs, engineers and constructs brine
concentrators, evaporators and crystallizers which are used to
clean, recover and recycle wastewater, particularly in zero
liquid discharge industrial uses.  Such systems may also
incorporate electrodialysis reversal membrane systems as
preconcentrators.  Ionics also holds a license for a patented
solvent extraction technology known as B.E.S.T. (Basic
Extraction Sludge Technology), which separates contaminated
sludges, sediments and soils into oil, water and solids and has
potential use for cleanup of toxic organic materials at
contaminated sites.

     Ionics also designs, engineers and constructs customized
systems for industrial wastewater customers which may include
conventional treatment systems as well as advanced separation
technologies such as electrodialysis reversal, reverse osmosis,
electrolysis and microfiltration.  Typical industrial customers
are power stations, chemical and petrochemical plants, 
metal-working and automobile factories, textile manufacturers
and a variety of other industrial applications.  The Company
also provides custom and packaged sewage treatment systems for
municipalities.

     3.    Instruments

     The Company sells instruments to measure water quality for
industrial and government customers.  In 1996, the Company
acquired Sievers Instruments, Inc. (Sievers), located in
Boulder, CO.  Sievers manufactures, among other instruments,
total organic carbon (TOC) monitors used primarily in ultrapure
water applications in the semiconductor and pharmaceutical
industries, which complement the Company's existing TOC monitor
line for process water and wastewater applications.  The
Company's instrument products, which are used both in the
laboratory and on-line, measure and detect, among other things,
total carbon, TOC, nitric oxide, chemical oxygen demand and
total oxygen demand.  The Company also sells instruments for
the measurement of dissolved metals which are sensitive to the
part-per-billion range and specific chemical analyzers for
ammonia, phosphates, nitrates and chlorine.

     4(a). Ultrapure Water Equipment

     Ultrapure water, which has been purified by a series of
processes to the degree that remaining impurities are measured
in parts per billion or trillion, is required for specialized
industrial uses.  The demand for technologically advanced
ultrapure water equipment and systems has increased as the
industries which use ultrapure water have become more
knowledgeable about their quality requirements.  Ultrapure
water needs are particularly important in the semiconductor,
pharmaceutical, petroleum and power generation industries.  The
semiconductor industry in particular has increasingly demanded
higher purity water as the circuits on silicon wafers have
become more densely packed.


5

                               I-3



     The recent increasing worldwide demand for computer chips
has sparked a worldwide boom in the construction of fabrication
facilities and the associated need for ultrapure water
equipment.  The Company supplies sophisticated ultrapure water
systems to the semiconductor, electronics and power industries
which utilize a combination of electrodialysis reversal, ion-
exchange, electrodeionization, reverse osmosis and 
ultrafiltration technologies.  These systems are either
trailer-mounted or land-based and vary from standardized
modules to large multimillion dollar systems, depending on the
customer's requirements.

Water, Food and Chemical Supply

     The Water, Food and Chemical Supply business segment
accounted in 1996 for approximately 34% of the Company's
revenues.  The Company's strategy is to sell, where
appropriate, water, food products and chemicals produced by its
membrane-based equipment, rather than selling the equipment
itself.  The Water, Food and Chemical Supply business segment
can be divided into four market areas:  ultrapure water supply;
drinking water supply; chemical supply; and food processing. 

     4(b).  Ultrapure Water Supply

     In industries such as power generation, semiconductors,
pharmaceuticals and biotechnology, ultrapure water is critical
to product quality and yield.  Depending on the composition and
quantity of the impurities to be removed or treated, any one of
several membrane separations methods can be utilized to provide
ultrapure water to the customer.  Ionics has pioneered in the
application of three membrane technologies (EDR, RO and UF)
combined together in a mobile system called the "triple
membrane" trailer for use in the commercial processing of
ultrapure water.  Ionics provides ultrapure water services and
the production and sale of ultrapure water from trailer-mounted
units at customer sites.

     Ionics has also commercially implemented its new
electrodeionization (EDI) technology in the production of
ultrapure water.  EDI is a continuous, electrically driven,
membrane-based water purification process which produces
ultrapure water without the use of strong chemical regenerants,
such as sulfuric acid and caustic soda, which are commonly
required.  The Company's new TMT-II trailers utilize a
combination of EDI, RO and UF technologies and represent what
the Company believes to be the most advanced technology used in
the commercial processing of ultrapure water.

     At the end of 1996, the Company had a total capacity,
installed or under construction, of approximately 13,000
gallons per minute for the production of ultrapure water under
long-term contracts with various industries.




6

                               I-4




     In January 1996, the Company acquired Apollo Ultrapure
Water Systems, Inc., based near Los Angeles, enabling the
Company to provide additional resources to service the growing
Southern California ultrapure water market.

     One of the Company's important ultrapure water service
activities is ion exchange regeneration services, which are
provided at four U.S. locations.  The Company also provides
system sanitization and high-flow deionization services at
customer sites.

     5.    Drinking Water Supply  

     Ionics' position as a seller of purified or treated water
has evolved from its traditional role as a supplier of water
treatment equipment.  In certain situations, opportunities are
available for the Company to provide a complete service package
involving financing, construction, operation and maintenance of
water treatment facilities.

     Ionics, through its wholly owned subsidiary, Ionics
Iberica, S.A., owns and operates a 5.5 million gallon per day
capacity brackish water EDR facility and a 3.6 million gallon
per day RO seawater facility on Grand Canary Island, Spain.
Under long-term contracts, the Company is selling the desalted
water from both facilities to the local water utility for
distribution.

     The Company's wholly owned subsidiary, Ionics (Bermuda)
Ltd., owns and operates a 600,000 gallon per day EDR brackish
water desalting plant on the island of Bermuda.  This plant
supplies fresh water under a long-term contract with Watlington
Waterworks Ltd., a Bermuda corporation partially owned by
Ionics.

     Through its acquisition of Aqua Design, Inc. in January
1996, the Company owns and operates approximately 35
desalination plants on a number of Caribbean islands, which
provide drinking water to hotels, resorts and governmental
entities.
















7

                               I-5




     6.    Chemical Supply

     In the chemical supply area, the Company uses its
CloromatR electrolytic membrane-based technology to produce
sodium hypochlorite and related chlor-alkali chemicals for
industrial, commercial and other non-consumer applications.
The Company's wholly owned Australian subsidiary, Elite
Chemicals Pty. Ltd., utilizes Cloromat systems to produce
sodium hypochlorite on-site in Brisbane for the industrial,
commercial and janitorial supply of bleach products, and to
supply sodium hypochlorite to treat the City of Brisbane's
drinking water supply under a five-year contract.

     The Company's wholly owned English subsidiary, Ionics
(U.K.) Limited, engages in sales of bulk bleach produced by
Cloromat facilities in Bridgwater and Thetford, England.  These
facilities supply bleach directly to manufacturers of
cellophane and household cleaning products, respectively, and
also supply bleach in bulk form to the regional market.

     7.    Food Processing

     In 1994, the Company commenced operations under an
agreement with a major U.S. dairy cooperative overseeing whey
processing activities at two plants owned by the cooperative.
Included in the equipment being utilized by the Company at
these plants are its ElectromatR electrodialysis systems.  The
Company receives a processing fee for its services based on the
production of demineralized whey. 

     In July 1996, the Company acquired Separation Technology,
Inc. (STI), with headquarters in St. Paul, MN.  STI is a
supplier of membrane-based purification equipment and services
to the food industry.  Systems built by STI are used primarily
for the concentration, clarification or fractionation of fluid
food products or food plant effluents.  Representative uses
include the concentration of cheese whey, milk and juice, the
production of whey protein concentrates, and the clarification
of brine for reuse and recovery of spent caustic.

Consumer Products

     The Company's Consumer Products business segment accounted
for approximately 20% of the Company's revenues in 1996.  The
Company's consumer products serve the bottled water, home water
purification and consumer bleach product market areas. 

     8. Aqua CoolR Pure Bottled Water

     Ionics entered the bottled water business in 1984.  The
Company's strategy is to utilize its proprietary desalination
and purification technology to produce a brand of drinking
water, named Aqua Cool Pure Bottled Water, which can be  



8

                               I-6




reproduced with uniform consistency and high quality at
numerous locations around the world.  Distribution operations
have been established to serve the areas in and around London,
Manchester, Birmingham, Bristol and Leeds, England; a number of
metropolitan areas in the eastern, southeastern and central
United States; and, through joint ventures, in Bahrain, Kuwait
and Saudi Arabia.  The Company's business focuses on the sale
of Aqua Cool in five-gallon bottles to a variety of commercial
and residential customers.

     At the end of 1996, there were a total of 27 Aqua Cool
distribution centers in the United States and overseas,
supplied with Aqua Cool by seven regional water purification
and bottling facilities, supplying a customer base of
approximately 100,000.

     9.    Home Water Purification Systems  

           Point-of-Use Devices

     The Company participates in the "point-of-use" market for
over- and under-the-sink water purifiers through the
manufacture and sale of HYgeneR, a proprietary, EPA-registered,
silver-impregnated activated carbon filtering medium, and
through the sale of reverse osmosis and activated carbon-based
filtering devices.  The Company incorporates HYgene, which is
designed to prevent bacterial build-up while providing the
capability of removing undesirable tastes and odors from the
water supply, into its own bacteriostatic water conditioners
and also sells HYgene to manufacturers of household point-of-
use water filters.

           Point-of-Entry Devices 

     Ionics' point-of-entry water products include ion exchange
water conditioners to "soften" hard water, and chemicals and
media for filtration and treatment.  The Company sells its
products, under the General Ionics and other brand names,
through both independent distributorships and wholly owned
sales and service dealerships.  

     10.   Bleach-Based Consumer Products

     The Company's Elite New England division operates a
Cloromat facility to produce and distribute bleach-based
products for the consumer market, primarily one-gallon bleach
products under private label or under the Company's own
"EliteR", "Super ValueTM" and "UltraPureTM" brands, and
methanol-based automobile windshield wash solution.  These
operations are conducted in a 129,000 square foot manufacturing
facility, located in Ludlow, Massachusetts.  A recently
purchased facility in Elkton, Maryland will serve as the Mid-
Atlantic regional manufacturing and distribution center for
bleach-based and related consumer products.


9

                               I-7




Raw Materials and Sources of Supply

     All raw materials essential to the business of the Company
can normally be obtained from more than one source.  In those
few instances where raw materials are being supplied by only
one source, the current supplier has given the Company a lead
time for cancellation, which the Company believes is sufficient
to enable it to obtain other suppliers.  In addition, the
Company maintains inventories of single source items which it
believes are adequate under the circumstances.

     The Company produces the membranes required for its
equipment and systems that use the ED, EDR, MF, UF and EDI
processes.  Membranes used for the RO process are purchased
from outside suppliers, and are normally available from
multiple sources.

Patents and Trademarks

     The Company believes that its products, know-how,
servicing network and marketing skills are more significant to
its business than trademarks or patent protection of its
technology.  Nevertheless, the Company has a policy of applying
for patents both in the United States and abroad on inventions
made in the course of its research and development work for
which a commercial use is considered likely.  The Company owns
numerous United States and foreign patents and trademarks and
has issued licenses thereunder, and currently has additional
pending patent applications.  Of the 99 outstanding U.S.
patents held by the Company, a substantial portion involves
membranes, membrane technology and related separations
processes such as electrodialysis and electrodialysis reversal,
reverse osmosis, ultrafiltration and electrodeionization.  The
Company does not believe that any of its individual patents or
groups of related patents, nor any of its trademarks, is of
sufficient importance that its termination or abandonment, or
the cancellation of licenses extending rights thereunder, would
have a material adverse effect on the Company.


Seasonality

     The activities of the Company's businesses are not of a
seasonal nature, other than certain activities of the Consumer
Products segment.  Bottled water sales and bleach products for
swimming pool use tend to increase during the summer months.
Also, sales levels for automobile windshield wash solution
increase in the winter months.








10

                               I-8




Customers

     The nature of the Company's business is such that it
frequently has in progress large contracts with one or more
customers for specific projects; however, there is no one
customer whose purchases account for 10% or more of the
Company's consolidated revenues and whose loss would have a
material adverse effect on the Company and its subsidiaries
taken as a whole.

Backlog

     The Company's backlog of firm orders was $210,505,000 at
December 31, 1996 and $175,409,000 at December 31, 1995.  For
multi-year contracts, the Company includes in reported backlog
the revenues associated with the first five years of the
contract.  For multi-year contracts which are not otherwise
included in backlog, the Company includes in backlog up to one
year of revenues.  Ionics expects to fill approximately 76% of
its December 31, 1996 backlog during 1997.  The Company does
not believe that there are any seasonal aspects to these
backlog figures.

Government Contracts

     The Company does not believe that any of its sales under
U.S. Government contracts or subcontracts during 1996 are
subject to renegotiation.  The Company has not had adjustments
to its negotiated contract prices, nor are any proceedings
pending for such adjustments.


Research and Development

     Since the development of the ion exchange membrane and the
EDR process, Ionics has continued its commitment to research
and development directed toward products for use in water
purification, processing and measurement, and separations
technology.  The Company's research and development expenses
were approximately $5,108,000 in 1996, $4,180,000 in 1995, and
$3,372,000 in 1994.

Competition

     The Company experiences competition from a variety of
sources with respect to virtually all of its products, systems
and services, although the Company knows of no single entity
that competes with it across the full range of its products and
services.  Competition in the markets served by the Company is
based on a number of factors, which may include price,
technology, applications experience, know-how, availability of
financing, reputation, product warranties, reliability, service
and distribution.



11

                               I-9




     With respect to the Company's Membranes and Related
Equipment business segment, there are a number of companies,
including several sizable chemical companies, that manufacture
membranes, but not equipment.  There are numerous smaller
companies, primarily fabricators, that build water treatment
and desalination equipment, but which generally do not have
their own proprietary membrane technology.  A limited number of
companies manufacture both membranes and equipment.  The
Company has numerous competitors in its conventional water
treatment, instruments and fabricated products business lines.

     In 1996, the International Desalination Association
released a report providing data regarding the manufacturers of
desalination equipment.  According to the report, which covered
land-based water desalination plants delivered or under
construction as of December 1995, with a capacity to produce
100 cubic meters (approximately 25,000 gallons) or more of
fresh water daily, Ionics ranked first in terms of the
cumulative number of such plants sold, having sold 1,414 plants
of such capacity, more than the next three manufacturers
combined.  When compared only to manufacturers of membrane-type
desalination equipment, Ionics ranked first in both number of
units sold and the total capacity of units sold.

     With respect to the Water, Food and Chemical Supply
business segment, the Company competes with regional suppliers
of ultrapure water services, and with other manufacturers of
membrane-related equipment.  In the chemical supply activity,
the Company competes with manufacturers and distributors of
sodium hypochlorite and water treatment chemicals.

     With respect to the Company's Consumer Products business
segment, there are numerous bottled water companies which
compete with the Company, including several which are much
larger than the Company.  Most of the Company's competitors in
point-of-entry and point-of-use products for the home are small
assemblers, serving local or regional markets.  However, there
are also several large companies competing nationally in these
markets.  In the case of its silver-impregnated activated
carbon product lines, the Company knows of two competitors with
which it competes on a national basis.

     The Company competes with many suppliers of bleach and
bleach-based cleaning products and automobile windshield wash
for the consumer market, a number of which are much larger than
the Company.

     The Company is unable to state with certainty its relative
market position in all aspects of its business.  Many of its
competitors have financial and other resources greater than
those of the Company.





12

                              I-10




Environmental Matters

     Continued compliance by the Company and its subsidiaries
with federal, state and local provisions regulating the
discharge of materials into the environment or otherwise
relating to the protection of the environment is expected to
have no material effect upon capital expenditures, earnings or
the competitive position of the Company or any of its
subsidiaries.

     The Company is one of approximately 1,000 potentially
responsible parties (PRPs) at a Superfund site at Solvent
Recovery Services of New England in Southington, Connecticut
(the "SRS Site").  The Company's volumetric ranking in
comparison to the total volume of wastes treated at the SRS
Site is approximately 0.5%.  A non-time critical removal
action, consisting of containment, pumping, and treatment of
the most heavily contaminated non-bedrock groundwater, was
completed in 1995.  Combined assessments to date against all
PRPs for non-time critical removal actions and other work total
$9.73 million.  The Company's share of these assessments is
approximately $51,000.  The ultimate site cleanup cost is
currently not expected to exceed $59 million, of which the
Company's share would not exceed $308,000 including the amounts
already assessed against the Company.  While it is too soon to
predict the scope and cost of the final clean-up remedy that
the EPA will select, based on the Company's small volumetric
ranking and the identities of the larger PRPs, which include
many substantial companies, the Company believes that its
liability in this matter will not have a material effect on the
Company or its financial position.

During 1995, the Company acquired certain real property in
Maryland to accommodate expansion of the Elite bleach-based
consumer chemicals business.  Prior to its acquisition by the
Company, the property had been determined to have some
contamination of soil and groundwater.  In conjunction with the
purchase, the Company worked closely with the Maryland
Department of the Environment and, based upon an environmental
study completed by a third party consultant, reached a
preliminary agreement regarding treatment.  Based upon the
costs of treatment identified by the consultant, the Company
has provided a conservative accrual, recorded as part of the
cost of the property.  The Company believes that additional
liability associated with treatment of the property, if any,
will not have a material effect on the Company or its financial
condition.









13

                              I-11



     The Company has never had a product liability claim
grounded in environmental liability, and believes that the
nature of its products and business makes such a claim
unlikely.

Employees

     The Company and its consolidated subsidiaries employ
approximately 1,850 full-time persons, none of whom are
represented by unions except for the employees of the Company's
Australian subsidiary and certain employees of the Company's
Spanish subsidiary.  The Company considers its relations with
its employees to be good.

Foreign Operations

     The Company's sales to customers in foreign countries
primarily involve desalination systems, water and wastewater
treatment systems, sodium hypochlorite, Cloromat systems,
related products and services related to the foregoing systems,
and bottled water.  The Company seeks to minimize financial
risks relating to its international operations.  Wherever
possible, the Company obtains letters of credit or similar
payment assurances denominated in U.S. dollars.  If U.S. dollar
payments cannot be secured, the Company, where appropriate,
enters into foreign currency hedging transactions.  The Company
also uses foreign sources for equipment parts and may borrow
funds in local (foreign) currencies to offset the asset risk of
foreign currency devaluation.  Net foreign currency transaction
gains included in income before taxes totalled $548,000 in
1996, $58,000 in 1995 and $23,000 in 1994.

     Ionics engages in certain foreign operations both directly
and through the following wholly owned subsidiaries:  Ionics
(Bermuda) Ltd.; Ionics Iberica, S.A.; Ionics (U.K.) Limited;
Ionics Italba, S.p.A.; Ionics Nederland B.V.; Global Water
Services, S.A.; Elite Chemicals Pty. Ltd.; Eau et Industrie;
Resources Conservation Co. International; Ionics (Korea) Ltd.;
and Ionics Foreign Sales Corporation Limited.  In January 1996,
Ionics acquired Aqua Design, Inc., which has a number of
subsidiaries and affiliates incorporated in various Caribbean
jurisdictions which are engaged in seawater desalination
operations.

     The Company engages in various foreign operations through
investments in affiliated companies and joint venture
relationships.  The activities include the production, sale and
distribution of bottled water through a 40% owned affiliate in
Bahrain, a 40% owned affiliate in Saudi Arabia, and a 49% owned
affiliate in Kuwait.






14

                              I-12




  In addition, the Company has a 19% ownership interest in
Watlington Waterworks Ltd. in Bermuda.  Watlington collects,
treats and distributes water throughout Bermuda for both
potable and non-potable uses.  The Company also has a 50%
ownership interest in Yuasa-Ionics Co., Ltd., Tokyo, Japan,
which among its activities serves as a distributor of certain
of the Company's products in Japan; a 49% ownership interest in
Ionics-Mega s.r.o., a limited liability company of the Czech
Republic established to pursue water treatment opportunities in
that country; and a 20% interest in Aguas Tratadas de
Cadereyta, S.A. de C.V., a company organized to provide water
treatment services in Mexico.

     Further geographical and financial information concerning
the Company's foreign operations appears in Notes 1, 5, 8, 9,
12, 13 and 14 to the Company's Consolidated Financial
Statements included as part of the Company's 1996 Annual Report
to Stockholders, which Notes are incorporated herein by
reference.

Financial Information About Foreign and 
Domestic Operations and Export Sales

     The information contained in Note 14 of Notes to
Consolidated Financial Statements contained in the Company's
Annual Report to Stockholders for the year ended December 31,
1996 is incorporated herein by reference.

Item 2.  PROPERTIES

     The Company owns or leases and occupies various
manufacturing and office facilities in the United States and
abroad.  The principal facilities owned by the Company include
two buildings in Watertown, Massachusetts, containing
approximately 250,000 square feet and housing executive
offices, laboratories and manufacturing and assembly
operations; a 234,000 square foot facility in Elkton, Maryland
which will be utilized primarily for consumer bleach and
automobile windshield wash product packaging and distribution;
a 129,000 square foot facility in Ludlow, Massachusetts which
is utilized primarily for packaging and distribution of
consumer bleach and windshield wash products; two buildings in
Bridgeville, Pennsylvania containing approximately 77,000
square feet and housing manufacturing operations for home water
treatment equipment and fabricated products; and other
facilities in the U.S. and overseas for various operations
relating to the business of the Company.

     The Company makes use primarily of leased facilities for
its Aqua Cool bottled water distribution centers at 27
locations in the U.S. and overseas.

     The Company considers the business facilities that it
utilizes to be adequate for the uses to which they are being
put.

15

                              I-13




Item 3.  LEGAL PROCEEDINGS

     The Company is involved in the normal course of its
business in various litigation matters.  Although the Company's
counsel is unable to determine at the present time whether the
Company will have any liability in any of the pending matters,
some of which are in the early stages of pre-trial discovery,
the Company believes generally that it has meritorious defenses
and that none of the pending matters will have an outcome
material to the financial condition or business of the Company.


Item 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

     No matters were submitted to a vote of security holders
during the fourth quarter of the fiscal year covered by this
report.







































16

                              I-14



                            PART II


Item 5.  MARKET FOR REGISTRANT'S COMMON EQUITY AND
         RELATED STOCKHOLDER MATTERS

     Reference is made to the Company's Annual Report to
Stockholders for the year ended December 31, 1996.  The
information set forth on page 32 entitled "Common Stock Price
Range" and on the inside back cover of such Annual Report is
hereby incorporated by reference.

     During 1996, the Company issued a total of 1,062,277
shares of Common Stock to the stockholders of four closely held
corporations that were acquired by the Company during the year,
and to the principal of a proprietorship, the assets of which
were acquired by a subsidiary of the Company during the year.
The details of these transactions are as follows:

                                              Agreed    1933 Act
                                     Shares    Value    Exemption
Acquisition                 Date     Issued  Per Share  Relied Upon

Aqua Design, Inc. and       1/3/96  222,977   $44.29    Section 4(2)
 related companies
 (stock)

Apollo Ultrapure Water      1/10/96 331,567   $42.00    Section 4(2)
 Systems, Inc. and
 related companies (stock)
 and real estate

Sievers Instruments, Inc.   5/31/96 447,258   $47.06    Rule 506
 (stock)

Separation Technology, Inc. 7/25/96  58,000   $42.00    Section 4(2)
 (stock)

Mark Keenan (assets)        12/6/96   2,475  $48.48     Section 4(2)

In each case, the Company's Common Stock was offered to the
stockholders of the company being acquired or to the seller of the
assets being purchased.  The Common Stock was valued in each case as
an average of the last sales prices of the Common Stock as reported
on the New York Stock Exchange over a stated number of days
preceding either the closing date or the date of the purchase
agreement.









17

                             II-1




With respect to the Sievers acquisition, the Company met all the
requirements for compliance with a Rule 506 offering.  The other
acquisitions all involved either small numbers of sophisticated
investors and/or non-U.S. residents, the shares issued were legended
and made the subject of "stop transfer" instructions, and the only
permitted sales to date have been made pursuant to resale
registration statements prepared and filed pursuant to the exercise
of certain registration rights granted to such stockholders.


Item 6.  SELECTED FINANCIAL DATA

    Reference is made to the Company's Annual Report to Stockholders
for the year ended December 31, 1996.  The information set forth on
page 32 of such Annual Report entitled "Selected Quarterly Financial
Data (UNAUDITED)" is hereby incorporated by reference.


Item 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF RESULTS
         OF OPERATIONS AND FINANCIAL CONDITION

    Reference is made to the Company's Annual Report to Stockholders
for the year ended December 31, 1996.  The information set forth on
pages 16 through 18 of such Annual Report entitled "Management's
Discussion and Analysis of Results of Operations and Financial
Condition" is hereby incorporated by reference.


Item 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

    Reference is made to the Company's Annual Report to Stockholders
for the year ended December 31, 1996.  The consolidated balance
sheets of the Registrant as of December 31, 1996 and 1995, the
related consolidated statements of operations, cash flows and
stockholders' equity for the years ended December 31, 1996, 1995 and
1994, and the related notes with the opinion thereon of Coopers &
Lybrand L.L.P., independent accountants, on pages 18 through 31, and
Selected Quarterly Financial Data (unaudited) on page 32, are hereby
incorporated by reference.


Item 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON 
        ACCOUNTING AND FINANCIAL DISCLOSURE

    This item is not applicable to the Company.











18

                             II-2



                             PART III

Item 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

    The information required by Item 10 with respect to directors is
hereby incorporated by reference from the Company's definitive proxy
statement for the Annual Meeting of Stockholders to be held May 8,
1997 to be filed with the Securities and Exchange Commission on or
about March 28, 1997.
<TABLE>
    The information regarding executive officers is as follows:
<CAPTION>
                      Age as of     Positions
Name                 March 1, 1997  Presently Held
<S>                  <C>            <C>
Arthur L. Goldstein*      61        President, Chief Executive Officer
                                     and Director since 1971; Chairman
                                     of the Board since 1990
William E. Katz           72        Executive Vice President since 1983;
                                     Director since 1961
Robert J. Halliday        42        Vice President, Finance and Accounting
                                     since December 1990; Chief Financial
                                     Officer since August 1992
Stephen Korn              51        Vice President, General Counsel
                                     and Clerk since September 1989
Theodore G. Papastavros   63        Vice President since 1975 (currently
                                     Vice President, Strategic Planning)
                                     and Treasurer since February 1990
___________________
* Member of Executive Committee
</TABLE>
     There are no family relationships between any of the
officers or directors.  Officers of the Company are elected each
year at the annual meeting of Directors.

     All of the above executive officers have been employed by
the Company in various capacities for more than five years.

Item 11.  EXECUTIVE COMPENSATION

     The information required by Item 11 is hereby incorporated
by reference from the Company's definitive proxy statement for
the Annual Meeting of Stockholders to be held May 8, 1997 to be
filed with the Securities and Exchange Commission on or about
March 28, 1997.












19

                               III-1




Item 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS
          AND MANAGEMENT

     The information required by Item 12 is hereby incorporated
by reference from the Company's definitive proxy statement for
the Annual Meeting of Stockholders to be held May 8, 1997 to be
filed with the Securities and Exchange Commission on or about
March 28, 1997.


Item 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

     The information required by Item 13 is hereby incorporated
by reference from the Company's definitive proxy statement for
the Annual Meeting of Stockholders to be held May 8, 1997 to be
filed with the Securities and Exchange Commission on or about
March 28, 1997.







































20

                               III-2



                            PART IV

Item 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND
          REPORTS ON FORM 8-K

(a)  1.   Financial Statements

          See Index to Financial Statements and Financial
          Statement Schedules on page IV-7.  The Financial
          Statement Schedules are filed as part of this Annual
          Report on Form 10-K.

     2.   Financial Statement Schedules

          See Index to Financial Statements and Financial
          Statement Schedules on page IV-7.
<TABLE>
     3.   Exhibits
<CAPTION>
     Exhibit                                                              
       No.    Description                                                 
<S>  <C>      <C>                                                         <C>
     3.0      Articles of Organization and By-Laws

              3.1    Restated Articles of Organization (filed               *
                     as Exhibit 3(a) to Form 10-K for year 
                     ended December 31, 1986).

              3.1(a) Amendment to the Restated Articles of                  *
                     Organization (filed as Exhibit 3(b) to 
                     Form 10-K for year ended December 31, 1987).

              3.1(b) Amendment to Restated Articles of                      *
                     Organization (filed as Exhibit 3.1(b) to 
                     Registration Statement No. 33-38290 on
                     Form S-2 effective January 24, 1991).

              3.1(c) Amendment to Restated Articles of                      *
                     Organization (filed as Exhibit 3.1 to 
                     Form 10-Q for quarterly period ending
                     June 30, 1996).

              3.2    By-Laws, as amended (filed as Exhibit 19 to            *
                     Form 10-Q for the quarter ended September 30,
                     1989).

     4.0      Instruments defining the rights of security holders,
              including indentures

              4.1    Rights Agreement, dated as of December 22, 1987,      *
                     as amended and restated as of August 15, 1989,
                     between Registrant and The First National Bank 
                     of Boston (filed as Exhibit 1 to Registrant's
                     Current Report on Form 8-K dated August 30, 1989).



21


                             IV-1




              4.2     Indenture, dated as of December 22, 1987, between    *
                      Registrant and The First National Bank of Boston,
                      relating to Rights Agreement (filed as Exhibit 2 
                      to Registrant's Current Report on Form 8-K dated
                      December 22, 1987).

              4.3     Form of Common Stock Certificate (filed as Exhibit   *
                      4.10 to Registrant's Annual Report on Form 10-K 
                      for the year ended December 31, 1990).

     10.      Material Contracts

              10.1    1979 Stock Option Plan, as amended through           *
                      February 22, 1996.                                  

              10.2    1986 Stock Option Plan for Non-Employee Directors,  33 
                      as amended through February 19, 1997.

              10.3    Amended and Restated Credit Agreement between        * 
                      Registrant and the First National Bank of Boston
                      dated as of December 31, 1992 (filed as Exhibit
                      10.3 to Registrant's Annual Report on Form 10-K
                      for the year ended December 31, 1992).

              10.3(1) Amendment Agreement No. 1, dated as of               *
                      December 31, 1996, to Amended and Restated
                      Credit Agreement between Registrant and The
                      First National Bank of Boston (filed as Exhibit
                      10.3(1) to Registrant's Annual Report on Form 10-K
                      for the year ended December 31, 1995).

              10.4    Operating Agreement dated as of September 27,        *
                      1989 between Registrant and Aqua Cool
                      Enterprises, Inc. (filed as Exhibit 10.4 to 
                      Registrant's Annual Report on Form 10-K for the
                      year ended December 31, 1989).

              10.5    Term Lease Master Agreement dated as of              *
                      September 27, 1989 between Registrant and
                      Aqua Cool Enterprises, Inc. (filed as Exhibit
                      10.5 to Registrant's Annual Report on Form 10-K
                      for the year ended December 31, 1989).

              10.6    Option Agreement dated as of September 27, 1989      *
                      among Registrant, Aqua Cool Enterprises, Inc.
                      and the other parties named therein (filed as
                      Exhibit 10.6 to Registrant's registration 
                      statement on Form S-2, No. 33-38290, 
                      effective January 24, 1991).








22


                             IV-2




              10.7    Agreement for Privatization of Water Supplies        *
                      dated as of September 18, 1990 between the 
                      Company and the City of Santa Barbara, 
                      California (filed as Exhibit 10.7 to 
                      Registrant's registration statement on Form S-2,
                      No. 33-38290, effective January 24, 1991).

              10.8    Amendment No. 1, dated as of January 3, 1992, to     *
                      Agreement for Privatization of Water Supplies 
                      dated as of September 18, 1990 between the Company
                      and the City of Santa Barbara, California (filed as
                      Exhibit 10.8 to Registrant's annual report on 
                      Form 10-K for the year ended December 31, 1991).

              10.9    Amendment No. 2, dated as of January 19, 1993,       *
                      to Agreement for Privatization of Water Supplies
                      dated as of September 18, 1990 between the Company
                      and the City of Santa Barbara, California (filed as 
                      Exhibit 10.9 to the Registrant's annual report on
                      Form 10-K for the year ended December 31, 1992).

              10.10  Amendment No. 3, dated June 28, 1994, to Agreement    * 
                     for Privatization of Water Supplies dated as of
                     September 18, 1990, between the Company and the City
                     of Santa Barbara, California (filed as Exhibit 10.1
                     to the Registrant's Form 10-Q for the period ending
                     June 30, 1994).
 
              10.11  1994 Restricted Stock Plan (filed as Exhibit 10.12    *
                     to Registrant's Annual Report on Form 10-K dated
                     March 30, 1995).

              10.12  1997 Stock Incentive Plan.                           43

     11.      Statement re: Computation of Earnings Per Share.            59

     13.      Annual Report to Stockholders of the Registrant for         60
              the year ended December 31, 1996 (only pages 16   
              through 32 and the inside back cover constitute an 
              exhibit to this report).

     21.      Subsidiaries of the Registrant.                             95

     23.      Consents

              23.1   Consent of Coopers & Lybrand L.L.P. to incorporation 96
                     by reference of that firm's report dated 
                     February 18, 1997, which is included on page 18 of 
                     the Registrant's Annual Report to Stockholders 
                     for the year ended December 31, 1996.

     24.      Power of Attorney.                                          97

     27.      Financial Data Schedule.                                     **
________________________________
     *   incorporated herein by reference
     **  for electronic purposes only
</TABLE>

23


                             IV-3





(b)  Reports on Form 8-K

     No reports on Form 8-K were filed by the Registrant during
     the last quarter of fiscal 1996.

     Undertaking

     For purposes of complying with the amendments to the rules
     governing Form S-8 effective July 13, 1990 under the
     Securities Act of 1933, the undersigned hereby undertakes as
     follows, which undertaking shall be incorporated by
     reference into Registrant's registration statements on Form
     S-8 Nos. 33-14194, 33-5814, 33-2092, 2-72936, 2-82780, 2-
     64255, 33-41598, 33-54293, 33-59051, 333-05225 and 33-54400.

     Insofar as indemnification for liabilities arising under the
     Securities Act of 1933 may be permitted to directors,
     officers and controlling persons of the registrant pursuant
     to the foregoing provisions, or otherwise, the registrant
     has been advised that in the opinion of the Securities and
     Exchange Commission such indemnification is against public
     policy as expressed in the Act and is, therefore,
     unenforceable.  In the event that a claim for
     indemnification against such liabilities (other than the
     payment by the registrant of expenses incurred or paid by a
     director, officer or controlling person of the registrant in
     the successful defense of any action, suit or proceeding) is
     asserted by such director, officer or controlling person in
     connection with the securities being registered, the
     registrant will, unless in the opinion of its counsel the
     matter has been settled by controlling precedent, submit to
     a court of appropriate jurisdiction the question whether
     such indemnification by it is against public policy as
     expressed in the Act and will be governed by the final
     adjudication of such issue.






















24


                             IV-4







                        SIGNATURES



     Pursuant to the requirements of Section 13 or 15(d) of
the Securities Exchange Act of 1934, the registrant has
duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

                             IONICS, INCORPORATED
                             (Registrant)



                             By/s/Arthur L. Goldstein     
                                  Arthur L. Goldstein,
                                  Chairman of the Board,
                                  President and Chief
                                  Executive Officer
          
                             Date:    March 27, 1997      



     Pursuant to the requirements of the Securities
Exchange Act of 1934, this report has been signed below by
the following persons on behalf of the registrant and in
the capacities and on the dates indicated.



Date: March 27, 1997         By/s/Arthur L. Goldstein    
                                  Arthur L. Goldstein,
                                  Chairman of the Board,
                                  President and
                                  Chief Executive Officer
                                  (principal executive
                                   officer) and Director



Date: March 27, 1997         By/s/Robert J. Halliday     
                                  Robert J. Halliday, 
                                  Vice President, Finance
                                  and Chief Financial
                                  Officer (principal
                                  financial and principal
                                  accounting officer)







25


                             IV-5











Date: March 27, 1997         By/s/Douglas R. Brown             
                                  Douglas R. Brown, Director


Date: March 27, 1997         By/s/William L. Brown             
                                  William L. Brown, Director


Date: March 27, 1997         By/s/Arnaud de Vitry d'Avaucourt  
                                  Arnaud de Vitry d'Avaucourt,
                                  Director


Date: March 27, 1997         By/s/William E. Katz              
                                  William E. Katz, Director


Date: March 27, 1997         By/s/Robert B. Luick______________
                                  Robert B. Luick, Director


Date: March 27, 1997         By/s/John J. Shields              
                                  John J. Shields, Director


Date: March 27, 1997         By/s/Carl S. Sloane               
                                  Carl S. Sloane, Director


DATE: March 27, 1997         By/s/Mark S. Wrighton             
                                  Mark S. Wrighton, Director


Date: March 27, 1997         By/s/Allen S. Wyett               
                                  Allen S. Wyett, Director
















26


                             IV-6




                     IONICS, INCORPORATED
INDEX TO FINANCIAL STATEMENTS AND FINANCIAL STATEMENT SCHEDULES

                                                         PAGES

Report of Independent Accountants                           18*

Financial Statements:

     Consolidated Statements of Operations for the
     Years Ended December 31, 1996, 1995 and 1994           19*

     Consolidated Balance Sheets as of
     December 31, 1996 and 1995                             20*

     Consolidated Statements of Cash Flows for the 
     Years Ended December 31, 1996, 1995 and 1994           21*

     Consolidated Statements of Stockholders' Equity for
     the Years Ended December 31, 1996, 1995 and 1994       22*

     Notes to Consolidated Financial Statements          23-31* 


Supporting Financial Statement Schedules for the years Ended
December 31, 1996, 1995 and 1994:

     Schedule II - Valuation and Qualifying Accounts     IV-8
          

Report of Independent Accountants on Financial
Statement Schedule                                       IV-9

__________________

All other schedules are omitted because the amounts are
immaterial, the schedules are not applicable, or the required
information is shown in the financial statements or the notes
thereto.

*  Page references are to the Annual Report to Stockholders of
   the Company for the year ended December 31, 1996, which pages
   are incorporated herein by reference.















27


                             IV-7



<TABLE>
                             IONICS, INCORPORATED

                SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

                                                        
<CAPTION>

                                      Additions    Additions
                         Balance at   Charged to     Due to
                           End of     Costs and     Acquired                      Balance at
Description              Prior Year    Expenses    Businesses     Deductions(A)   End of Year
<S>                      <C>          <C>          <C>            <C>             <C>
Allowance for doubtful
accounts and uncollectible
notes receivable:

     Years ended:

     December 31, 1996   $2,410,000   $1,011,000   $ 286,000      $  849,000      $2,858,000

     December 31, 1995   $2,197,000   $  579,000   $  21,000      $  387,000      $2,410,000

     December 31, 1994   $2,022,000   $  535,000   $       0      $  360,000      $2,197,000

<FN>
(A)  Deductions result primarily from the write-off of accounts.



</TABLE>




























28


                             IV-8





               REPORT OF INDEPENDENT ACCOUNTANTS


To the Board of Directors and Stockholders of
Ionics, Incorporated:

     Our report on the consolidated financial statements of
Ionics, Incorporated as of December 31, 1996 and 1995 and for
each of the three years in the period ended December 31, 1996
has been incorporated by reference in this Form 10-K from page
18 of the 1996 Annual Report to Stockholders of Ionics,
Incorporated.  In connection with our audits of such financial
statements, we have also audited the related financial statement
schedule listed in the Index on page IV-7 of this Form 10-K.

     In our opinion, the financial statement schedule referred
to above, when considered in relation to the basic financial
statements taken as a whole, presents fairly, in all material
respects, the information required to be included therein.



                                       /s/COOPERS & LYBRAND L.L.P.



Boston, Massachusetts
February 18, 1997





























29


                             IV-9



<TABLE>
                           EXHIBIT INDEX
<CAPTION>
                                                                     Sequentially
     Exhibit                                                           Numbered
       No.    Description                                              Page No.   
<S>  <C>      <C>                                                         <C>
     3.0      Articles of Organization and By-Laws                         

              3.1     Restated Articles of Organization (filed             *
                      as Exhibit 3(a) to Form 10-K for year 
                      ended December 31, 1986).

              3.1(a)  Amendment to the Restated Articles of                *
                      Organization (filed as Exhibit 3(b) to 
                      Form 10-K for year ended December 31, 1987).

              3.1(b)  Amendment to Restated Articles of                    *
                      Organization (filed as Exhibit 3.1(b) to 
                      Registration Statement No. 33-38290 on
                      Form S-2 effective January 24, 1991).

              3.1(c)  Amendment to Restated Articles of                    *
                      Organization (filed as Exhibit 3.1 to 
                      Form 10-Q for quarterly period ending
                      June 30, 1996).

              3.2     By-Laws, as amended (filed as Exhibit 19 to          *
                      Form 10-Q for the quarter ended September 30,
                      1989).

     4.0      Instruments defining the rights of security holders,
              including indentures

              4.1     Rights Agreement, dated as of December 22, 1987,     * 
                      as amended and restated as of August 15, 1989,
                      between Registrant and The First National Bank 
                      of Boston (filed as Exhibit 1 to Registrant's
                      current Report on Form 8-K dated August 30, 1989).

              4.2     Indenture, dated as of December 22, 1987, between    *
                      Registrant and The First National Bank of Boston,
                      relating to Rights Agreement (filed as Exhibit 2 
                      to Registrant's Current Report on Form 8-K dated
                      December 22, 1987).

              4.3     Form of Common Stock Certificate (filed as Exhibit   *
                      4.10 to Registrant's Annual Report on Form 10-K 
                      for the year ended December 31, 1990).

     10.      Material Contracts

              10.1    1979 Stock Option Plan, as amended through           *
                      February 22, 1996.

              10.2    1986 Stock Option Plan for Non-Employee Directors,  33
                      as amended through February 19, 1997.

30





              10.3    Amended and Restated Credit Agreement between        *
                      Registrant and The First National Bank of Boston
                      dated as of December 31, 1992 (filed as Exhibit
                      10.3 to Registrant's Annual Report on Form 10-K
                      for the year ended December 31, 1992).

              10.3(1) Amendment Agreement No. 1, dated as of               *
                      December 31, 1996, to Amended and Restated
                      Credit Agreement between Registrant and The
                      First National Bank of Boston (filed as Exhibit
                      10.3(1) to Registrant's Annual Report on Form 10-K
                      for the year ended December 31, 1995).

              10.4    Operating Agreement dated as of September 27,        *
                      1989 between Registrant and Aqua Cool
                      Enterprises, Inc. (filed as Exhibit 10.4 to 
                      Registrant's Annual Report on Form 10-K for the
                      year ended December 31, 1989).

              10.5    Term Lease Master Agreement dated as of              *
                      September 27, 1989 between Registrant and
                      Aqua Cool Enterprises, Inc. (filed as Exhibit
                      10.5 to Registrant's Annual Report on Form 10-K
                      for the year ended December 31, 1989).

              10.6    Option Agreement dated as of September 27, 1989      *
                      among Registrant, Aqua Cool Enterprises, Inc.
                      and the other parties named therein (filed as
                      Exhibit 10.6 to Registrant's registration 
                      statement on Form S-2, No. 33-38290, 
                      effective January 24, 1991).

              10.7    Agreement for Privatization of Water Supplies        *
                      dated as of September 18, 1990 between the 
                      Company and the City of Santa Barbara, 
                      California (filed as Exhibit 10.7 to 
                      Registrant's registration statement on Form S-2,
                      No. 33-38290, effective January 24, 1991).

              10.8    Amendment No. 1, dated as of January 3, 1992, to     *
                      Agreement for Privatization of Water Supplies 
                      dated as of September 18, 1990 between the Company
                      and the City of Santa Barbara, California (filed as
                      Exhibit 10.8 to Registrant's annual report on 
                      Form 10-K for the year ended December 31, 1991).

              10.9    Amendment No. 2, dated as of January 19, 1993,       *
                      to Agreement for Privatization of Water Supplies
                      dated as of September 18, 1990 between the Company
                      and the City of Santa Barbara, California (filed as
                      Exhibit 10.9 to the Registrant's annual report on
                      Form 10-K for the year ended December 31, 1992).






31





              10.10   Amendment No. 3, dated June 28, 1994, to Agreement   *
                      for Privatization of Water Supplies dated as of 
                      September 18, 1990 between the Company and the City
                      of Santa Barbara, California (filed as Exhibit 10.1 
                      to the Registrant's Form 10-Q for the period ended 
                      June 30, 1994).

              10.11   1994 Restricted Stock Plan (filed as Exhibit         *
                      10.12 to Registrant's Annual Report on Form 10-K 
                      dated March 30, 1995).

              10.12   1997 Stock Incentive Plan.                          43

     11.      Statement re: Computation of Earnings Per Share.            59

     13.      Annual Report to Stockholders of the Registrant for         60
              the year ended December 31, 1996 (only pages 18
              through 31 and the inside back cover constitute an 
              exhibit to this report).

     21.      Subsidiaries of the Registrant.                             95

     23.      Consents

              23.1    Consent of Coopers & Lybrand L.L.P. to              96
                      incorporation by reference of that firm's report
                      dated Februry 18, 1997, which is included on  
                      page 18 of the Registrant's Annual Report to 
                      Stockholders for the year ended December 31, 1996.

     24.      Power of Attorney.                                          97

     27.      Financial Data Schedule.                           (for electronic
                                                                  purposes only)


                               
* incorporated herein by reference
</TABLE>












32


                                             Exhibit 10.2



                      IONICS, INCORPORATED
                     1986 STOCK OPTION PLAN
                   FOR NON-EMPLOYEE DIRECTORS
             (As amended through February 19, 1997)


1.   Purpose of Plan.

     This 1986 Stock Option Plan for Non-Employee Directors
(hereinafter called the "Plan") of Ionics, Incorporated
(hereinafter called the "Company") is intended to advance the
interests of the Company by providing a means of attracting
capable and qualified persons to serve as independent Directors,
and encouraging such persons to continue to serve as Directors,
through ownership of Common Stock of the Company.

2.   Definitions.

     2.1  "Optionee" shall mean a person to whom a stock option
has been granted under the Plan.

     2.2  "Subsidiary" shall mean a corporation, partnership or
other entity whose controlling stock or other ownership interest
is owned directly or indirectly by the Company.

3.   Effective Date.

     The Plan will become effective immediately upon its adoption
by the Board of Directors of the Company, subject, however, to
approval by the holders of a majority of the outstanding shares
of its capital stock having voting rights and present at the
meeting when the matter is acted upon.

4.   Stock Subject to the Plan.

     Subject to adjustment as provided hereinbelow, the total
number of shares of Common Stock, one dollar ($1.00) per share
par value (hereinafter "Common Stock"), of the Company for which 

33



                               -2-




options may be granted pursuant to the Plan (hereinafter called
the "Options" and each singly an "Option") shall not exceed
200,000 shares in the aggregate.  Such shares may either be
authorized and unissued shares of Common Stock or issued shares
of Common Stock which have been reacquired by the Company and
held as treasury shares.  In the event that any Options granted
under the Plan shall be surrendered to the Company or shall
terminate, lapse or expire for any reason without having been
exercised in full, the shares not purchased under such Options
shall be available again for the purpose of issuance pursuant to
the Plan.

     Each eligible Director shall be granted an Option to acquire
2,000 shares of Common Stock as provided in Section 6, subject to
adjustment as provided hereinbelow, for each year of service as a
Director of the Company.

     In the event that the outstanding shares of the Common Stock
of the Company are hereafter increased or decreased or changed
into or exchanged for a different number or kind of shares, or
other securities of the Company or of another corporation, by
reason of reorganization, merger, consolidation,
recapitalization, reclassification, stock split-up, combination
of shares, or dividends payable in stock, corresponding
adjustments (as determined by the Board of Directors in their
sole discretion to be appropriate) shall be made in the number
and kind of shares as to which outstanding Options (or portions
thereof then unexercised) and Options to be issued in the future
pursuant to the terms of this Plan shall be exercisable, such
that the proportionate interest of each Optionee shall be
maintained as before the occurrence of such event.  Such
adjustments in outstanding Options shall be made without change
in the aggregate total option price of Option then outstanding
and unexercised, but with a corresponding adjustment in the
option price per share.


34



                               -3-




5.   Administration of the Plan.

     The Plan shall be administered by the Board of Directors of
the Company or such committee composed of its Directors as may be
delegated this duty and function by resolution of the Board of
Directors (said Board or said Committee, as the case may be,
being hereinafter referred to as the "Administrators").  A
majority of the Administrators acting upon a particular matter
shall have no personal interest in the Option or matter with
which they are concerned.

     Subject to the express provisions of the Plan, the
Administrators may (1) construe the respective stock option
agreements and the Plan, prescribe, amend, and rescind rules and
regulations relating to the Plan and make all other
determinations necessary or advisable for administering the Plan,
and (2) correct any defect or supply any omission or reconcile
any inconsistency in the Plan or in any stock option agreement in
the manner and to the extent they shall deem expedient to carry
it into effect and (3) constitute and appoint a person or persons
selected by them to execute and deliver in the name and on behalf
of the Administrators all such agreements, instruments and other
documents.

6.   Eligibility; Grant of Options.

     Only persons who hold office as Directors of the Company and
who are not otherwise employees of the Company or of any of its
Subsidiaries may be granted an Option under this Plan.  Each
Director of the Company who is not otherwise an employee of the
Company or any Subsidiary shall be granted an Option to acquire
2,000 shares under the Plan with respect to his election to
office, and to each year that he continues to serve as a Director
of the Company.  Each such Director shall be entitled to receive
an Option to acquire 2,000 shares under the Plan immediately 


35



                               -4-




after the annual meeting of the stockholders at which he is first
elected, and an additional Option to acquire 2,000 shares
immediately upon completion of each next successive year in
office.  A Director who assumes office at a time other than an
annual meeting of stockholders shall be entitled to receive his
initial Option to acquire 2,000 shares under the Plan immediately
after the annual meeting of stockholders next following his
assumption of office.  For purposes of the Plan, a Director shall
be considered to have completed a "year in office" on the date of
each annual meeting of stockholders while he continues in office;
provided, however, that if the interval between any two such
annual meetings is greater than 395 days, a Director shall be
considered to have completed a "year in office" for purposes of
the Plan on the 395th day after the preceding year's annual
meeting of stockholders, rather than on the date of the second of
the two such annual meetings.

7.   The Option Price.

     The price payable upon exercise of an Option granted
hereunder shall be the fair market value at the date of grant of
the shares covered by the Option.  For purposes of the Plan, if
the Common Stock of the Company is listed for trading on the New
York Stock Exchange (or any other registered stock exchange), the
fair market value of the shares shall be equal to the last sale
price for the Common Stock on such exchange on the trading day
next preceding the date of grant of an Option.

     The Option exercise price shall be paid (1) in cash, (2) in
shares of the Common Stock of the Company already owned by the
person exercising the Option, or (3) in any combination of cash
and of such shares.  In the event that such shares are delivered
to pay for all or a portion of the Option exercise price, they
shall be valued at the last sale price for the Common Stock on
the New York Stock Exchange (or other registered stock exchange) 


36



                               -5-


as reported on the date of delivery of the shares in exercise of
the Option, and any shares delivered in payment of the Option
exercise price shall be free and clear from all restrictions on
transfer, claims or purchase rights, except as the Administrators
may affirmatively allow.

8.   Nontransferability of Options.

     Except as otherwise provided in this Section, no Option
granted under the Plan shall be encumbered, assigned or otherwise
transferred, otherwise than by will or the laws of descent and
distribution, and an Option may be exercised during the lifetime
of an Optionee only by him.  The Administrators may, in their
discretion, authorize all or a portion of the Options granted or
to be granted to an Optionee to be on terms which permit transfer
by such Optionee to (i) the spouse, children or grandchildren of
the Optionee ("Immediate Family Members"), (ii) a trust or trusts
for the exclusive benefit of such Immediate Family Members, or
(iii) a partnership in which such Immediate Family Members are
the only partners, provided that (x) the stock option agreement
pursuant to which such Options are granted must be approved by
the Committee, and must expressly provide for transferability in
as manner consistent with this Section, and (y) subsequent
transfers of transferred Options shall be prohibited otherwise
than by will or the laws of descent and distribution.

     Following transfer, any such Options shall continue to be
subject to the same terms and conditions as were applicable
immediately prior to transfer, provided that for purposes of
Section 2.1 hereof, the term "Optionee" shall be deemed to refer
to the transferee.  The provisions regarding duration of Options
in Section 9 hereof shall continue to apply with respect to the
original Optionee as to all Options granted to such Optionee,
whether or not transferred pursuant to this Section.





37


                               -6-

9.   Duration of Options.

     Each Option shall expire not more than ten (10) years from
its date of grant, but shall be subject to earlier termination:

     (a)  in the event that the Optionee ceases to be a Director
          of the Company, an Option may thereafter be exercised
          by him only to the extent that under Section 10, the
          right to exercise the Option has accrued and is in
          effect, and only within the period of thirty (30) days
          after the Optionee ceases to be a Director; or
     (b)  in the event that the Optionee dies while holding
          office as a Director or within the 30-day period
          described in paragraph (a), an Option granted to him
          may thereafter be exercised by his estate or by any
          person or persons who acquired the right to exercise
          the Option by bequest or by inheritance or by reason of
          the death of the Optionee, to the extent of the full
          number of shares covered by the Option, regardless of
          whether the Optionee at the time of this death was
          entitled to exercise the Option in full, but only
          within the period of ninety (90) days after his death.

10.  Time and Manner of Exercise.

     Options granted under the Plan shall not be exercisable for
a period of six (6) months after their date of grant, but shall
be immediately exercisable in full thereafter; provided, however,
that (i) options may be exercised only during the periods
beginning on the third business day following the date on which
the Company releases for publication its annual or quarterly
financial reports and ending on the twelfth business day
following such date and (ii) no Option shall be exercisable after
ten (10) years from the date on which it was granted.

     To the extent that the right to exercise an Option has
accrued and is in effect, the Option may be exercised in full at
one time or in part from time to time by giving written notice,
signed by the person or persons exercising the Option, to the
Company, stating the number of shares with respect to which the 


38


                               -7-

Option is being exercised, and accompanied by payment in full for
such shares in accordance with Section 7.  There shall be no such
exercise at any one time as to fewer than two hundred (200)
shares or all of the remaining shares then purchaseable by the
person or persons exercising the Option, if fewer than two
hundred (200) shares.  Upon such exercise, delivery of a
certificate for paid-up non-assessable shares shall be made at
the principal Massachusetts office of the Company to the person
or persons exercising the Option at such time, during ordinary
business hours, after fifteen (15) days but not more than thirty
(30) days from the date of receipt of the notice by the Company,
as shall be designated in such notice, or at such time, place or
manner as may be agreed upon by the Company and the person or
persons exercising the Option.  Notwithstanding the foregoing,
the Company may delay issuance of shares pursuant to an Option
until the person exercising the Option has complied with all of
the terms and conditions of the Plan and the applicable stock
option agreement.

11.  Stock Option Agreement Required.

     Each Option granted under the Plan shall be evidenced by a
written option agreement (the "Agreement") between the Company
and the Optionee, in such form as the Administrators shall
determine, which Agreements may but need not be identical, and
which shall (i) comply with and be subject to the terms and
conditions of the Plan and (ii) provide that the Optionee agrees
to continue to serve as a Director of the Company during the term
for which he was elected, and that during such term he will not,
without the written consent of the Company, directly or
indirectly, accept employment from, or engage in any work or
activities as an employee, officer, director, agent, consultant,
partner, proprietor or principal stockholder for any other
corporation, person or entity having business substantially
competitive to the business in which the Company or its
Subsidiaries are then engaged.  Any Agreement may contain such
other terms, provisions and conditions not inconsistent with the
Plan as may be determined by the Administrators.  No Option shall
be granted within the meaning of the Plan, and no purported grant
of any Option shall be effective, until such an Agreement shall
have been duly executed on behalf of the Company and the Director
to whom the Option is to be granted.

39


                               -8-

12.  Purchase for Investment; Rights of Holder of Subsequent
     Registration.

     Unless the shares to be issued upon exercise of an Option
have been effectively registered under the Securities Act of 1933
as now in force or hereafter amended, the Company shall be under
no obligation to issue any shares covered by any Option unless
the person who exercises such Option, in whole or in part, shall
give a written representation and undertaking to the Company
which is satisfactory in form and scope to counsel to the Company
and upon which, in the opinion of such counsel, the Company may
reasonably rely, that he is acquiring the shares issued to him
pursuant to such exercise of the Option for his own account as an
investment and not with a view to, or for sale in connection
with, the distribution of any such shares, and that he will make
no transfer of the same except in compliance with any rules and
regulations in force at the time of such transfer under the
Securities Act of 1933, or any other applicable law, and that if
shares are issued without such registration, a legend to this
effect may be endorsed upon the securities so issued.  In the
event that the Company shall, nevertheless, deem it necessary or
desirable to register under the Securities Act of 1933 or other
applicable statutes any shares with respect to which an Option
shall have been exercised, or to qualify any such shares for
exemption from the Securities Act of 1933 or other applicable
statutes, then the Company shall take such action at its own
expense and may require reasonable indemnity to the Company and
its officers and Directors from such holder against all losses,
claims, damages and liabilities arising from such use of the
information so furnished and caused by any untrue statement of
any material fact therein, or caused by omission to state a
material fact required to be stated therein or necessary to make
the statement therein not misleading in light of the
circumstances under which they were made.

13.  Listing of Option Stock.

     So long as the Common Stock of the Company is listed on the
New York Stock Exchange or any other stock exchange, the Company
shall take necessary steps so that the shares to be issued upon
exercise of an Option are listed by such exchange, or will be so
listed, upon notice of issuance.

40


                               -9-


14.  Effect of Option.

     The grant of an Option shall not entitle the Optionee to
have or claim any rights of a stockholder of the Company, whether
as to dividends, voting rights or otherwise.  Neither the grant
of an Option nor the making of any Agreement under the Plan shall
confirm upon the Optionee any right with respect to continuation
of his Directorship, nor shall it affect or restrict the right of
the Company or any assuming or succeeding Company to terminate
such Directorship at any time.

15.  Termination, Suspension, Amendment or Modification of the
     Plan.

     Unless sooner terminated as hereinafter provided, the Plan
will terminate at the close of business on May 7, 2002.

     The Board may at any time terminate or suspend the Plan or
make such modification or amendment thereof as it deems
advisable, provided, however, that the Board may not, without
approval by the affirmative vote of the holders of a majority of
the securities of the Company present, or represented, and
entitled to vote at a meeting duly held in accordance with the
applicable laws of the Commonwealth of Massachusetts, (i)
materially increase the benefits accruing to participants under
the Plan;  (ii) materially increase the number of shares for
which Options may be granted under the Plan; or (iii) materially
modify the requirements as to eligibility for participation in
the Plan.  In no event, however, may any provision of this Plan
specified in Rule 16b-3(c)(2)(ii)(A) (or any successor or amended
provision thereof) of the Securities Exchange Act of 1934
(including without limitation, provisions as to eligibility and
who may participate in the Plan, the amount and price of shares
for which Options may be granted or the timing of awards), be
amended more than once every six months, other than to comport
with changes in the Internal Revenue Code, the Employee
Retirement Income Security Act, or the rules thereunder.
Termination or any modification or amendment of the Plan shall
not, without consent of a participant, affect his rights under an
Option previously granted to him.


41


                              -10-


16.  Merger, Consolidation or Sale of the Entire Business of the 
     Company.

     If before the expiration of the Plan, the Company shall
merge with, consolidate in or with, or sell all or substantially
all of its assets and business to another corporation or entity
(other than a company or entity which continues under the control
of the same persons who were the stockholders or owners of the
Company immediately prior to the event), all Options then
outstanding shall become subject to exercise in full as of the
effective date of said transaction.

17.  Compliance with Applicable Laws and Regulations.

     Upon exercise of any Option granted hereunder, the person
exercising the Option shall file any and all reports required of
him under the Securities Exchange Act of 1934, as amended, or
otherwise.























42





                            A-13

                    IONICS, INCORPORATED
                              
                  1997 STOCK INCENTIVE PLAN
                              

1.   Purpose.  The purpose of this Plan is to enable officers
and other key employees of, and consultants to, Ionics,
Incorporated (the "Company") and any present or future parent
or subsidiary of the Company (collectively, "Related
Corporations") to (i) own shares of Stock in the Company,
(ii) participate in the shareholder value which has been
created, (iii) have a mutuality of interest with other
shareholders and (iv) enable the Company to attract, retain
and motivate key employees and consultants of particular
merit.  As used herein, the terms "parent" and "subsidiary"
mean "parent corporation" and "subsidiary corporation,"
respectively, as those terms are defined in Section 424 of
the Code.

2.   Definitions.  For the purposes of the Plan, the
following terms shall have the meanings set forth below:

  (a)  Award means the grant or sale pursuant to the Plan of
  any Stock Options and Long-Term Performance Awards.

  (b)  Board means the Board of Directors of the Company.
  
                            (c)  Code means the Internal
  Revenue Code of 1986, as amended from time to time, or any
  statute successor thereto, and any regulations issued from
  time to time thereunder.
  
  (d)  Company means Ionics, Incorporated, a corporation
  organized under the laws of the Commonwealth of
  Massachusetts (or any successor corporation).
  
     (e)  Disability means "permanent and total
  disability" as defined under Section 22(e)(3) of the Code
  or any successor statute.
  
  (f)  Effective Date means the date that the Plan is approved
  by both the Board of Directors of the Company and the
  stockholders of the Company, and if not approved on the same
  day, the date of the last approval.
  
  (g)  Fair Market Value means, as of any given date, the last
  reported sales price of the Stock as reported in The Wall
  Street Journal for such date, or if no such sale is reported
  on the last preceding trade date to the sales date, or if the
  Stock is not publicly traded on or as of such date, the fair
  market value of the Stock as determined by the Committee in
  good faith based on the available facts and circumstances at
  the time.
  
  (i)  Incentive Stock Option means any Stock Option intended
  to be and designated as an "Incentive Stock Option" within
  the meaning of Section 422 of the Code.
  
  (j)  Long-Term Performance Award means an Award made pursuant
  to Section 7 below that is payable in cash and/or Stock in
  accordance with the terms of the grant, based on Company,
  business unit and/or individual performance over a period of
  at least one year.
  
  (k)  Non-Qualified Stock Option means any Stock Option that
  is not an Incentive Stock Option.
  
  (l)  Participant means an employee or consultant to whom an
  Award is granted pursuant to the Plan.
  
  (m)  Plan means the Ionics, Incorporated 1997 Stock Incentive
  Plan, as set forth herein and as it may be amended from time
  to time.
  
  (n) Retirement means a termination of employment, for
  reasons other than death, which satisfies the requirements
  for normal, early, late or disability retirement in
  accordance with the Ionics, Incorporated Retirement Plan
  or any successor plan.
  
  (o) Stock means the common stock, $1.00 par value per
  share, of the Company.
  
     (p)  Stock Option or Option means any option to
  purchase shares of Stock granted pursuant to Section 6
  below.
  
  In addition the term Change in Control shall have meaning
  set forth in Section 8.2.
  
3.  Administration
  
  (a)  Board or Committee Administration.  The Plan shall be
  administered by the Board or, subject to paragraph 3(d)
  (relating to compliance with Section 162(m) of the Code), by
  a committee appointed by the Board (the "Committee"), which
  shall initially be the Compensation Committee of the Board.
  Hereinafter, all references in this Plan to the "Committee"
  shall mean the Board if no Committee has been appointed.
  Subject to ratification of the grant or authorization of each
  Award by the Board (if so required by applicable state law),
  and subject to the terms of the Plan, the Committee shall
  have the authority to (i) determine to whom (from among the
  class of employees eligible under Section 5 to receive
  Incentive Stock Options) Incentive Stock Options shall be
  granted, and to whom (from among the class of individuals and
  entities eligible under Section 5 to receive Non-Qualified
  Stock Options and Long-Term Performance Awards) Non-Qualified
  Stock Options and Long-Term Performance Awards may be
  granted, (ii) determine the time or times at which Awards
  shall be granted; (iii) determine the purchase price of
  shares subject to each Option, which prices shall not be less
  than the minimum price specified in Section 6.2(a); (iv)
  determine whether each Option granted shall be an Incentive
  Stock Option or a Non-Qualified Stock Option; (v) determine
  (subject to Sections 6.2(b) and 6.2(c)) the time or times
  when each Option shall become exercisable and the duration of
  the exercise period; (vi) extend the period during which
  outstanding Options may be exercised; (vii) determine whether
  restrictions such as repurchase options are to be imposed on
  shares subject to Awards and the nature of such restrictions,
  if any; and (viii) interpret the Plan and prescribe and
  rescind rules and regulations relating to it.  If the
  Committee determines to issue a Non-Qualified Stock Option,
  it shall take whatever actions it deems necessary, under
  Section 422 of the Code and the regulations promulgated
  thereunder, to ensure that such Non-Qualified Stock Option is
  not treated as an Incentive Stock Option.  The interpretation
  and construction by the Committee of any provisions of the
  Plan or of any Award granted under it shall be final unless
  otherwise determined by the Board.  The Committee may from
  time to time adopt such rules and regulations for carrying
  out the Plan as it may deem advisable.  No member of the
  Board or the Committee shall be liable for any action or
  determination made in good faith with respect to the Plan or
  any Award granted under it.
     
  (b)  Committee Actions.  The Committee may select one of its
  members as its chairman, and shall hold meetings at such time
  and places as it may determine.  A majority of the Committee
  shall constitute a quorum and acts of a majority of the
  members of the Committee at a meeting at which a quorum is
  present, or acts reduced to or approved in writing by all the
  members of the Committee (if consistent with applicable state
  law), shall be the valid acts of the Committee.  From time to
  time the Board may increase the size of the Committee and
  appoint additional members thereof, remove members (with or
  without cause) and appoint new members in substitution
  therefor, fill vacancies however caused, or remove all
  members of the Committee and thereafter directly administer
  the Plan.
  
  (c)  Grant of Awards to Board Members.  Awards may be granted
  to members of the Board who are otherwise eligible to receive
  Awards under the Plan.  All grants of Awards to members of
  the Board shall in all respects be made in accordance with
  the provisions of this Plan applicable to other eligible
  persons.  Members of the Board who either (i) are eligible to
  receive grants of Awards pursuant to the Plan or (ii) have
  been granted Awards may vote on any matters affecting the
  administration of the Plan or the grant of any Awards
  pursuant to the Plan, except that no such member shall act
  upon the granting to himself or herself of Awards, but any
  such member may be counted in determining the existence of a
  quorum at any meeting of the Board during which action is
  taken with respect to the granting to such member of Awards.
  
  (d)  Performance-Based Compensation.  The Board, in its
  discretion, may take such action as may be necessary to
  ensure that Stock Options granted under the Plan qualify as
  "qualified performance-based compensation" within the meaning
  of Section 162(m) of the Code and applicable regulations
  promulgated thereunder ("Performance-Based Compensation").
  Such action may include, in the Board's discretion, some or
  all of the following: (i) if the Board determines that Stock
  Options granted under the Plan generally shall constitute
  Performance-Based Compensation, the Plan shall be
  administered, to the extent required for such Stock Options
  to constitute Performance-Based Compensation, by a Committee
  consisting solely of two or more "outside directors" (as
  defined in applicable regulations promulgated under Section
  162(m) of the Code); and (ii) Stock Options and Stock Grants
  granted under the Plan may be subject to such other terms and
  conditions as are necessary for compensation recognized in
  connection with the exercise or disposition of such Stock
  Option or the disposition of Stock acquired pursuant to such
  Stock Option to constitute Performance-Based Compensation.
  
4.   Shares of Stock Subject to the Plan.

  (a)  Stock.  The Stock subject to Awards shall be authorized
  but unissued shares of Stock or shares of Stock reacquired by
  the Company in any manner.  Subject to adjustment as provided
  in subsection (c) of this Section 4, the aggregate number of
  shares of Stock that may be issued pursuant to the Plan shall
  be (i) 750,000 (which number includes the aggregate number of
  shares with respect to which no options have been granted
  under the 1979 Stock Option Plan on the Effective Date), plus
  (ii) such number of shares as to which options granted under
  the 1979 Stock Option Plan terminate or expire without being
  fully exercised, plus (iii) effective as of January 1, 1998
  and each of the three successive years thereafter, a number
  of shares of Stock equal to two percent (2%) of the total
  number of shares of Stock issued and outstanding as of the
  close of business on December 31 of the preceding year.
  Subject to adjustment as provided in subsection (c) of this
  Section 4, no more than an aggregate of 750,000 shares of
  Stock may be issued pursuant to the exercise of Incentive
  Stock Options granted under the Plan (including shares issued
  pursuant to the exercise of Incentive Stock Options granted
  under the Plan that are the subject of disqualifying
  dispositions within the meaning of Sections 421, 422 and 424
  of the Code and the regulations thereunder); and no more than
  an aggregate of 150,000 shares of Stock may be issued in
  connection with Long-Term Performance Awards granted under
  this Plan.  If any Award granted under the Plan shall expire
  or terminate for any reason without having been exercised in
  full or shall cease for any reason to be exercisable in whole
  or in part, the unpurchased shares subject to such Award
  shall again be available for grants of Awards under the Plan.

  No employee of the Company or any Related Corporation may
  be granted Options (or any other Award) to acquire, in the
  aggregate, more than 200,000 shares of Stock during any 12-
  month period under the Plan.  If any Option granted under
  the Plan shall expire or terminate for any reason without
  having been exercised in full or shall cease for any
  reason to be exercisable in whole or in part, the
  unpurchased shares subject to such Option shall be
  included in the determination of the aggregate number of
  shares of Stock deemed to have been granted to such
  employee under the Plan.
  
  (b)  Computation of Available Shares.  For the purpose of
  computing the total number of shares of Stock available for
  Plan purposes at any time during which the Plan is in effect,
  there shall be debited against the total number of shares
  determined to be available pursuant to paragraphs (a) and (c)
  of this Section 4 the maximum number of shares of Stock
  subject to issuance upon exercise of Options or upon
  settlement of other Awards theretofore made under the Plan.
  In addition, however, shares related to the unexercised or
  undistributed portion of any terminated, expired or forfeited
  Award for which no material benefit was received by a
  Participant (e.g. dividends, but not including voting
  rights), or to the portion of any Award settled in cash,
  shall be recredited to the number remaining upon such
  termination, expiration or forfeiture and thereafter again be
  available for distribution in connection with future Awards
  under the Plan.
  
  (c)  Other Adjustment.  In the event of any merger,
  reorganization, consolidation, recapitalization, Stock
  dividend, or other change in corporate structure affecting
  the Stock, such substitution or adjustment shall be made
  in the aggregate number of shares reserved for issuance
  under the Plan, and in the number and option price of
  shares subject to outstanding Options and other Stock-
  based Awards granted under the Plan, as may be determined
  to be appropriate by the Committee in its sole discretion
  provided that the number of shares subject to any Award
  shall always be a whole number.
  
5.   Eligibility.  Incentive Stock Options may be granted
  only to employees of the Company and any Related Corporation.
  Officers and other key employees of or consultants to the
  Company, who are responsible for or contribute to, as
  determined by the Committee in its sole discretion, the
  management, growth and/or profitability of the business of
  the Company and/or any Related Corporation are eligible for
  Awards under the Plan.

6.   Stock Options.

  6.1  Provision for Grant.  Stock Options may be granted
  alone, in addition to or in tandem with other Awards under
  the Plan.  Any Stock Option granted under the Plan shall be
  in such form as the Committee may from time to time approve.
  The Committee shall have the authority to grant any optionee
  who is an employee of the Company, or of any Related
  Corporation, Incentive Stock Options, Non-Qualified Stock
  Options, or both types of Stock Options.  To the extent that
  any Stock Option does not qualify as an Incentive Stock
  Option, it shall constitute a separate Non-Qualified Stock
  Option.  In the case of any other person eligible for an
  Award under the Plan, any Stock Option granted under the Plan
  shall be a Non-Qualified Stock Option.

  Anything in the Plan to the contrary notwithstanding, no
  term of this Plan relating to Incentive Stock Options
  shall be interpreted, amended or altered, nor shall any
  discretion or authority granted under the Plan be so
  exercised, so as to disqualify the Plan under Section 422
  of the Code, or, without the consent of the optionee(s)
  affected, to disqualify any Incentive Stock Option under
  such Section 422.

     6.2  Terms and Conditions.  Options granted under the Plan
  shall be subject to the following terms and conditions and
  shall contain such additional terms and conditions, not
  inconsistent with the terms of the Plan, as the Committee
  shall deem appropriate:
     
       (a)  Option Price.  The option price per share of Stock
     purchasable under a Stock Option shall be determined by the
     Committee at the time of grant but shall be not less than
     100% of the Fair Market Value of the Stock at the time of
     grant.  However, any Incentive Stock Option granted to any
     optionee who, at the time the option is granted, owns more
     than 10% of the voting power of all classes of stock of the
     Company or of a parent or subsidiary corporation (in each
     case as defined in Section 424 of the Code) shall have an
     exercise price no less than 110% of Fair Market Value per
     share on date of the grant.
       
       (b)  Option Term.  The term of each Stock Option shall be
     fixed by the Committee, but no Stock Option shall be
     exercisable more than ten years after the date on which the
     Option is granted.  However, any Incentive Stock Option
     granted to any optionee who, at the time the Option is
     granted, owns more than 10% of the voting power of all
     classes of stock of the Company or of a parent or subsidiary
     corporation (in each case as defined in Section 424 of the
     Code) may not have a term of more than five years.  No Stock
     Option may be exercised by any person after expiration of the
     term of the Option.
       
       (c)  Exercisability.  Stock Options shall be exercisable at
     such time or times and subject to such terms and conditions
     as shall be determined by the Committee at or after grant,
     provided, however, that, except as provided in Sections
     6.2(f), 6.2(g) and 8, unless otherwise determined by the
     Committee at or after grant, no Stock Option shall be
     exercisable during the six months following the date of the
     granting of the Option.  If the Committee provides, in its
     discretion, that any Stock Option is exercisable only in
     installments, the Committee may waive such installment
     exercise provisions at any time at or after grant in whole or
     in part, based on such factors as the Committee shall
     determine, in its sole discretion.
       
       (d)  Method of Exercise.  Subject to whatever installment
     exercise provisions apply pursuant to Section 6.2(c), Stock
     Options may be exercised in whole or in part at any time and
     from time to time during the option period, by giving written
     notice of exercise to the Company specifying the number of
     shares to be purchased.  Such notice shall be accompanied by
     payment in full of the purchase price, either by certified or
     bank check, or such other instrument as the Committee may
     accept.  As determined by the Committee, in its sole
     discretion, payment in full or in part may also be made in
     the form of unrestricted Stock already owned by the optionee
     (based, in each case, on the Fair Market Value of the Stock
     on the date the option is exercised, as determined by the
     Committee); provided, however, that, in the case of an
     Incentive Stock Option, the right to make a payment in the
     form of already owned shares may be authorized only at the
     time the Option is granted.
    
       If payment of the Option exercise price of a Stock
     Option is made in whole or in part in the form of
     unrestricted Stock already owned by the Participant, the
     Company may require that the Stock has been owned by the
     Participant for a specified minimum period of time, for
     the purpose of avoiding any charge to the Company's
     earnings, limiting the pyramiding of Stock Option
     exercises, or such other purposes as the Company deems
     appropriate.
    
       No shares of Stock shall be issued until full payment
     therefor has been made.  An optionee shall generally
     have the rights to dividends or other rights of a
     shareholder with respect to shares subject to the Option
     when the optionee has given written notice of exercise,
     has paid in full for such shares, and, if requested, has
     given the representation described in Section 11.1.
       
       (e)  Transferability.  No Stock Option shall be transferable
     by the optionee otherwise than by will or by the laws of
     descent and distribution, and all Stock Options shall be
     exercisable, during the optionee's lifetime, only by the
     optionee, provided, however, the Committee may grant Non-
     Qualified Stock Options that are transferable, without
     payment of consideration, to immediate family members of the
     optionee or to trusts for such family members, or to
     partnerships in which such immediate family members are the
     only parties, subject to such limits as the Committee may
     establish, and the transferee shall remain subject to all of
     the terms and conditions applicable to such Non-Qualified
     Stock Options prior to such transfer.
       
       (f)  Termination by Reason of Death.  If an optionee's
     employment by or association with the Company  or any Related
     Corporation terminates by reason of death, any Stock Option
     held by such optionee may thereafter be exercised, to the
     extent then exercisable at the time of death, or on such
     accelerated basis as the Committee may determine at or after
     grant, by the legal representative of the estate or by the
     legatee of the optionee under the will of the optionee, for a
     period of 90 days (or such shorter period as the Committee
     may specify at grant) from the date of such death or until
     the expiration of the stated term of such Stock Option,
     whichever period is the shorter.
       
       (g)  Termination by Reason of Disability or Retirement.  If
     an optionee's employment by or association with the Company
     or any Related Corporation terminates by reason of Disability
     or Retirement, any Stock Option held by such optionee may
     thereafter be exercised by the optionee, to the extent it was
     exercisable at the time of termination, or on such
     accelerated basis as the Committee may determine at or after
     grant, for a period of 90 days (or such shorter period as the
     Committee may specify at grant) from the date of such
     termination of employment or until the expiration of the
     stated term of such Stock Option, whichever period is the
     shorter; provided, however, that, if the optionee dies within
     such 90-day period (or such shorter period as the Committee
     shall specify at grant), any unexercised Stock Option held by
     such optionee shall thereafter be exercisable to the extent
     to which it was exercisable at the time of death for a period
     of 90 days from the date of such death or until the
     expiration of the stated term of such Stock Option, whichever
     period is the shorter.
       
       (h)  Other Termination.  Unless otherwise determined by the
     Committee at grant, if an optionee's employment by or
     association with the Company or any Related Corporation
     terminates for any reason other than death, Disability or
     Retirement, the Stock Option shall thereupon terminate,
     except that in the Committee's sole discretion, based upon
     such factors as the Committee may deem appropriate, the
     Committee may specify that such Stock Option may be
     exercised, to the extent exercisable at termination, or on
     such accelerated basis as the Committee may determine at or
     after grant, for a period of 90 days (or such shorter period
     as the Committee shall specify at grant) from the date of
     such termination or until the expiration of the stated term
     of such Stock Option, whichever period is shorter.
       
       (i)  Incentive Stock Option Limitations.  To the extent
     required for "incentive stock option" status under Section
     422 of the Code, the aggregate Fair Market Value (determined
     as of the time of grant) of the Stock with respect to which
     Incentive Stock Options granted are exercisable for the first
     time by the optionee during any calendar year under the Plan
     and/or any other stock option plan of the Company and any
     parent or subsidiary corporation (within the meaning of
     Section 424 of the Code) shall not exceed $100,000.  The
     Company intends to designate any Options granted in excess of
     the $100,000 limitation as Non-Qualified Stock Options, and
     the Company shall issue certificates to the optionee with
     respect to the Options that are Non-Qualified Options and
     Options that are Incentive Stock Options.
       
       (j)  Cashless Exercise; Satisfaction of Tax Withholdings.  To
     the extent permitted under applicable laws and regulations,
     at the request of a Participant, the Company agrees to
     cooperate in a "cashless exercise" of an Option.  The
     cashless exercise shall be effected by the Participant
     delivering to a registered securities broker acceptable to
     the Company instructions to sell a sufficient number of
     shares of Stock for which such Option is then exercisable to
     cover the costs and expenses associated with such exercise
     and sale.  Under any Option, the Committee may permit a
     Participant to pay any applicable withholding taxes by
     delivering a sufficient number of previously owned shares of
     Common Stock to the Company to satisfy such taxes.
     
7.   Long-Term Performance Awards

  7.1  Provision for Grant.  Long-Term Performance Awards
  may be awarded either alone or in addition to other Awards
  granted under the Plan.  The Committee shall determine the
  nature, length and starting date of the performance period
  (the "Performance Period") for each Long-Term Performance
  Award, which subject to Section 8 below shall be a period
  of at least one year, and shall determine the performance
  objectives to be used in valuing Long-Term Performance
  Awards and determining the extent to which such Long-Term
  Performance Awards have been earned.  Performance
  objectives may vary from Participant to Participant and
  between groups of Participants and shall be based upon
  such Company, business unit and/or individual performance
  factors and criteria as the Committee may deem
  appropriate, including, but not limited to, earnings per
  share or return on equity.  Performance Periods may
  overlap and Participants may participate simultaneously
  with respect to Long-Term Performance Awards that are
  subject to different Performance Periods and/or different
  performance factors and criteria.
  
  7.2  Periodical Determination of Performance.  At the
  beginning of each Performance Period, the Committee shall
  determine for each Long-Term Performance Award subject to
  such Performance Period the range of dollar values or
  number of shares of Stock to be awarded to the Participant
  at the end of the Performance Period if and to the extent
  that the relevant measure(s) of performance for such Long-
  Term Performance Award is (are) met.  Such dollar values
  or number of shares of Stock may be fixed or may vary in
  accordance with such performance and/or other criteria as
  may be specified by the Committee, in its sole discretion.

  7.3  Adjustment of Awards.  In the event of special or
  unusual events or circumstances affecting the application
  of one or more performance objectives to a Long-Term
  Performance Award, the Committee may revise the
  performance objectives and/or underlying factors and
  criteria applicable to the Long-Term Performance Awards
  affected, to the extent deemed appropriate by the
  Committee, in its sole discretion, to avoid unintended
  windfalls or hardship.
  
  7.4  Termination of Employment.  Subject to Section 8
  below and unless otherwise provided in the applicable
  Award agreement(s), if a Participant terminates employment
  or other association with the Company or any Related
  Corporation during a Performance Period because of death,
  Disability or Retirement, such Participant shall be
  entitled to a payment with respect to each outstanding
  Long-Term Performance Award at the end of the applicable
  Performance Period (i) based, to the extent relevant under
  the terms of the award, upon the Participant's performance
  for the portion of such Performance Period ending on the
  date of termination and the performance of the applicable
  business unit(s) for the entire Performance Period, and
  (ii) prorated, where deemed appropriate by the Committee,
  for the portion of the Performance Period during which the
  Participant was employed by or associated with the Company
  and any Related Corporation, all as determined by the
  Committee, in its sole discretion.  However, the Committee
  may provide for an earlier payment in settlement of such
  award in such amount and under such terms and conditions
  as the Committee deems appropriate.

       Subject to Section 8 below, if a Participant
  terminates employment by or association with the Company
  and any Related Corporation during a Performance Period
  for any other reason, then such Participant shall not be
  entitled to any payment with respect to Long-Term
  Performance Awards subject to such Performance Period,
  unless the Committee shall otherwise determine, in its
  sole discretion.

  7.5  Form of Payment.  The earned portion of a Long-Term
  Performance Award may be paid currently or on a deferred
  basis with such interest or earnings equivalent as may be
  determined by the Committee, in its sole discretion.
  Payment shall be made in the form of cash or whole shares
  of Stock, either in a lump sum payment or in annual
  installments commencing as soon as practicable after the
  end of the relevant Performance Period, all as the
  Committee shall determine at or after grant.

8.  Change in Control Provisions.

  8.1  Consequences of Event.  In the event of a Change in
  Control, in addition to the adjustment provided for in
  Section 4(c), the Committee may in its discretion
  determine whether, with respect to all Stock Options
  granted and Awards made before the Change in Control, the
  following acceleration and valuation provisions shall
  apply:
  
     (a)  Any Stock Options awarded under the Plan not previously
     exercisable shall thereupon become fully exercisable.
     
     (b)  Any outstanding Long-Term Performance Awards shall be
     paid out in cash within thirty days following the Change in
     Control based on prorated target results for the Performance
     Periods in question.
     
     In case of any reorganization, merger or consolidation
  of the Company into or with another company or in the case
  of any sale or conveyance to another company or entity of
  the property of the Company as a whole or substantially as
  a whole, each Stock Option shall be automatically
  converted into a stock option or other award which covers
  shares of stock or other securities equivalent in kind and
  value to the shares or other securities the optionee or
  holder would have held if the Stock Option or other Award
  had been exercised or received in full prior to such
  reorganization, merger, consolidation, sale or conveyance
  and no disposition thereof had subsequently been made, and
  the option price under each Stock Option shall be
  proportionately adjusted.

  8.2  Change in Control.  For purposes of this Plan, a
  "Change in Control" means the happening of any of the
  following:

     (a)  The acquisition, other than from the Company, by any
     individual, entity or group (within the meaning of Section
     12(d)(3) or 14(d)(2) of the Securities Exchange Act of 1934,
     as amended (the "Exchange Act")) of beneficial ownership
     (within the meaning of Rule 13d-3 promulgated under the
     Exchange Act) of 20% or more of either (i) the then
     outstanding shares of common stock of the Company (the
     "Outstanding Company Common Stock") or (ii) the combined
     voting power of the then outstanding voting securities of the
     Company entitled to vote generally in the election of
     directors (the "Company Voting Securities"); provided,
     however, that any acquisition by (x) any noncorporate
     shareholder of the Company as of the effective date of the
     initial registration of an offering of Stock under the
     Securities Act of 1933, (y) the Company or any of its
     subsidiaries, or any employee benefit plan (or related trust)
     sponsored or maintained by the Company or any of its
     subsidiaries, or (z) any corporation with respect to which,
     following such acquisition, more than 60% of, respectively,
     the then outstanding shares of common stock of such
     corporation and combined voting power of the then outstanding
     voting securities of such corporation entitled to vote
     generally in the election of directors is then beneficially
     owned, directly or indirectly, by all or substantially all of
     the individuals and entities who were the beneficial owners,
     respectively, of the Outstanding Company Common Stock and
     Company Voting Securities immediately prior to such
     acquisition in substantially the same proportion as their
     ownership, immediately prior to such acquisition, of the
     Outstanding Company Common Stock and Company Voting
     Securities, as the case may be, shall not constitute a Change
     in Control of the Company; or
     
     (b)  Continuing Directors constitute less than a majority of
     the Board, where a Continuing Director is (i) each person who
     was a director of the Company on January 2, 1997, and (ii)
     each person who subsequently becomes a director of the
     Company and whose election or nomination was approved by a
     vote of at least a majority of the Continuing Directors in
     office at the time of the election or nomination unless that
     person became a director in connection with an actual or
     threatened election contest; or
     
     (c)  Approval by the shareholders of the Company of a
     reorganization, merger or consolidation (a "Business
     Combination"), in each case, with respect to which all or
     substantially all of the individuals and entities who were
     the respective beneficial owners of the Outstanding Company
     Common Stock and Company Voting Securities immediately prior
     to such Business Combination do not own beneficially,
     directly or indirectly, more than 60% of, respectively, the
     then outstanding shares of common stock and the combined
     voting power of the then outstanding voting securities
     entitled to vote generally in the election of directors, as
     the case may be, of the corporation resulting from such
     Business Combination in substantially the same proportion as
     their ownership immediately prior to such Business
     Combination of the Outstanding Company Common Stock and
     Company Voting Securities, as the case may be; or
     
     (d)  a complete liquidation or dissolution of the Company or
     a sale or other disposition of all or substantially all of
     the assets of the Company other than to a corporation with
     respect to which, following such sale or disposition, more
     than 60% of, respectively, the then outstanding shares of
     common stock and the combined voting power of the then
     outstanding voting securities entitled to vote generally in
     the election of directors is then owned beneficially,
     directly or indirectly, by all or substantially all of the
     individuals and entities who were the beneficial owners,
     respectively, of the Outstanding Company Common Stock and
     Company Voting Securities immediately prior to such sale or
     disposition in substantially the same proportion as their
     ownership of the Outstanding Company Common Stock and Company
     Voting Securities, as the case may be, immediately prior to
     such sale or disposition.
     
9.  Amendment and Termination.  The Board may terminate or
amend the Plan at any time and from time to time;  provided,
however, that the Board may not, without approval of the
shareholders of the Company, increase the maximum number of
shares of Stock issuable under the Plan or change the
description of the individuals eligible to receive Awards.
No termination of or amendment to the Plan may adversely
affect the rights of a Participant with respect to any Award
theretofore granted under the Plan without such Participant's
consent.

  The Committee may amend the terms of any Award theretofore
granted, prospectively or retroactively, but, subject to
Section 4 above, no such amendment shall (i) decrease the
exercise price of an outstanding Stock Option, or (ii) effect
the simultaneous cancellation of an outstanding Stock Option
and new grant of a replacement Stock Option, or (iii) without
the Participant's consent, impair the rights of any
Participant.

10.  Unfunded Status of Plan.  The Plan is intended to
constitute an "unfunded" plan for incentive and deferred
compensation.  With respect to any payments not yet made to a
Participant by the Company, nothing contained herein shall
give any such Participant any rights that are greater than
those of any other general creditor of the Company.  In its
sole discretion, the Committee may authorize the creation of
trusts or other arrangements to meet the obligations created
under the Plan to deliver Stock or payments in lieu of or
with respect to Awards hereunder; provided, however, unless
the Committee otherwise determines with the consent of the
affected Participant, the existence of such trusts or other
arrangements shall be consistent with the "unfunded" status
of the Plan.

11.  General Provisions.

   11.1  Investment Representation.  The Committee may
   require each person acquiring shares pursuant to an Award
   under the Plan to represent to and agree with the Company
   in writing that the Participant is acquiring the shares
   for investment without a view to distribution thereof.
   The certificates for such shares may include any legend
   which the Committee deems appropriate to reflect any
   restrictions on transfer.  All certificates for shares of
   Stock or other securities delivered under the Plan shall
   be subject to such stock-transfer orders and other
   restrictions as the Committee may deem advisable under
   the rules, regulations, and other requirements of any
   stock exchange upon which the Stock is then listed, and
   any applicable Federal or state securities law, and the
   Committee may cause a legend or legends to be put on any
   such certificates to make appropriate reference to such
   restrictions.

  11.2  Adoption of Other Plans.  Nothing contained in this
  Plan shall prevent the Board of Directors from adopting
  other or additional compensation arrangements, subject to
  stockholder approval if such approval is required; and
  such arrangements may be either generally applicable or
  applicable only in specific cases.
  
  11.3  No Employment Rights.  Neither the establishment or
  continuation of the Plan, nor the grant of any Award
  hereunder, shall confer upon any employee or consultant of
  the Company or any Related Corporation any right to
  continued employment or association with the Company and
  any Related Corporation, nor shall it interfere in any way
  with the right of the Company and any Related Corporation
  to terminate the employment or association of any of its
  employees or consultants at any time.
  
  11.4  Participant Not to Compete.  In consideration of the
  Company's grant of an Award, a Participant shall agree in
  the agreement setting forth the terms of such Award that
  during the period of his  employment by or other service
  with the Company or any Related Corporation, and for a
  period of at least two (2) years after the date such
  employment or service terminates, he will not without the
  consent of the Board accept or perform work for any entity
  whose business is competitive with the business carried on
  by the Company and any Related Corporation, or engage in
  activities which are significantly competitive with the
  business of the Company and any Related Corporation.  In
  the event a Participant breaches such agreement, the
  Participant shall forfeit all rights to any unexercised
  Options or unearned Awards held as of the date of such
  breach.
  
  11.5  Tax Withholding.  No later than the date as of which
  an amount first becomes includible in the gross income of
  the Participant for Federal income tax purposes with
  respect to any Award, the Participant shall pay to the
  Company, or make arrangements satisfactory to the
  Committee regarding the payment of, any Federal, state, or
  local taxes of any kind required by law to be withheld
  with respect to such amount.  Unless otherwise determined
  by the Committee, the minimum required withholding
  obligations may be settled with Stock.  The obligations of
  the Company under the Plan shall be conditional on such
  payment or arrangements and the Company shall, to the
  extent permitted by law, have the right to deduct any such
  taxes from any payment of any kind otherwise due to the
  Participant.
  
  11.6  Payments on Death.  The Committee shall establish
  such procedures as it deems appropriate for a Participant
  to designate a beneficiary to whom any amounts payable in
  the event of the Participant's death are to be paid.
  
  11.7  Governing Law.  The Plan and all Awards and actions
  taken thereunder shall be governed by and construed in
  accordance with the laws of the Commonwealth of
  Massachusetts, without regard to the conflict of laws
  principles thereof.
  
12. Term of Plan.  The Plan shall become effective upon the
approval of the Plan by the shareholders of the Company.  No
Award shall be granted pursuant to the Plan on or after the
tenth anniversary of the Plan's approval by shareholders, but
Awards theretofore granted may extend beyond that date.


<TABLE>
                                       EXHIBIT 11
                                  IONICS, INCORPORATED

                           COMPUTATION OF EARNINGS PER COMMON
                               AND COMMON EQUIVALENT SHARE
                                                       
<CAPTION>
                                                      YEARS ENDED DECEMBER 31          

                                                1996            1995            1994   
<S>                                          <C>             <C>             <C>
Net Income                                   $26,503,000     $21,025,000     $15,448,000  

Calculation of primary earnings per
common and common equivalent share:

Weighted average common shares outstanding    15,542,000      14,545,000      13,926,000  

Increase from assumed exercise of 
stock options and investment of pro-
ceeds in treasury stock, based upon
average market prices                            564,000         540,000         272,000  

Weighted average number of common and 
common equivalent shares outstanding          16,106,000      15,085,000      14,198,000

Earnings per common and common
equivalent share                                   $1.65           $1.39           $1.09

Calculation of fully diluted earnings per
common and common equivalent share: 

Weighted average common and common equivalent
shares outstanding used in calculation
of primary earnings per common and
common equivalent share                       16,106,000      15,085,000      14,198,000

Increase from assumed exercise of stock
options and investment of proceeds in
treasury stock, based upon year-end
market price                                      19,000          67,000          42,000

Weighted average number of common and
common equivalent shares used to calculate
fully diluted earnings per common and 
common equivalent share                       16,125,000      15,152,000      14,240,000

Earnings per common and common
equivalent share assuming full dilution            $1.64           $1.39          $1.08


</TABLE>




59






                                  EXHIBIT 13
                             IONICS, INCORPORATED
                       ANNUAL REPORT TO STOCKHOLDERS OF
                         IONICS, INCORPORATED FOR THE
                      FISCAL YEAR ENDED DECEMBER 31, 1996

              (Only pages 16 through 32 and the inside back cover
                      constitute an Exhibit to Form 10-K)
                                                       







































60




Management's Discussion and Analysis
of Results of Operations and Financial Condition

Results of Operations
The financial performance of Ionics in 1996 showed a 27% growth in revenues
and a 26% improvement in net income.  The profit growth reflected increases
in earnings before interest and taxes of 20%, 27% and 28% in the Membranes
and Related Equipment; Water, Food and Chemical Supply; and Consumer
Products segments, respectively.  Particular strength was shown by the
ultrapure water supply business within the Water, Food and Chemical Supply
segment.

    Total revenues were $326.7 million in 1996, compared with $257.3
million in 1995.  Revenues were higher in all three business segments, with
the largest growth occurring in Water, Food and Chemical Supply.

    Membranes and Related Equipment revenues in 1996 grew due to continuing
strength in the sale of ultrapure water systems to the semiconductor
market.  Growth also resulted from additional sales of instrumentation to
the pharmaceutical and semiconductor markets, but was partially offset by a
reduction in revenues from the sale of wastewater systems, particularly
related to zero liquid discharge applications.

    Growth in the Water, Food and Chemical Supply segment was primarily due
to increased revenues related to ownership and operation of ultrapure water
systems.  This growth included revenues from the acquisitions of Ahlfinger
Water Company in November 1995 and Apollo Ultrapure Water Systems, Inc. in
January 1996.  Revenue growth also occurred in the municipal water supply
and food processing businesses due primarily to the acquisitions of Aqua
Design, Inc. in January 1996 and Separation Technology, Inc. (STI) in July
1996.

    Consumer Products revenues increased through the sale of higher volumes
of bottled water by existing Aqua Cool locations and through new
distribution facilities near Cleveland, Ohio and Providence, Rhode Island.
Revenues also increased in the consumer chemicals business due to increased
sales of automobile windshield wash solution and bleach products.  Home
water product sales also increased in 1996.

    Total revenues were $257.3 million in 1995, compared with $222.4
million in 1994.  Revenues were higher in all three business segments, with
the largest increase occurring in Membranes and Related Equipment.
Revenues in 1995 in this segment grew due to increased sales of capital
equipment, including equipment for water desalination and treatment and
wastewater treatment, and related spare parts.  The acquisition of Sievers
Instruments, Inc. also contributed to growth in this segment.




61





    Growth in the Water, Food and Chemical Supply segment was primarily due
to increased revenues related to ownership and operation of ultrapure water
systems.  Growth also resulted from increased sales of municipal water and
increased demand for chemical supply products produced by the Elite
Chemicals businesses in Australia and the United Kingdom. Revenue increases
also were generated by our cheese whey processing facilities for Mid-
America Dairymen, Inc.

    Consumer Products revenues increased primarily through the sale of
higher volumes of bottled water by existing Aqua Cool locations and through
new distribution facilities.  Home water product sales increased as the
Company shipped additional water conditioning units through its independent
dealer network and through Company-owned sales offices.  These increases
were partially offset by softness in sales of other consumer products,
particularly automobile windshield wash solution due to limited snowfall in
the northeastern U.S. during the winter season ending in March 1995.

    Cost of sales as a percentage of revenues was 67.3%, 67.2% and 69.3% in
1996, 1995 and 1994, respectively.

    Cost of sales as a percentage of revenues declined during 1996 for the
Membranes and Related Equipment segment and Consumer Products segment, and
increased for the Water, Food and Chemical Supply segment.  The decrease in
the Membranes and Related Equipment segment reflected an improvement in the
mix of wastewater treatment contracts and instrumentation sales, partially
offset by a change in the mix of ultrapure water equipment contracts.  The
Consumer Products segment decrease resulted primarily from the achievement
of certain product cost reductions and an improvement in product mix.

    In the Water, Food and Chemical Supply segment, cost of sales increased
as a percentage of revenues during 1996.  This increase reflected the
acquisition of STI, whose manufacturing costs do not yet reflect the
synergies we believe will be available through continued integration with
the other businesses in this segment.  This increase also reflected
increased competitive pressure within the industrial bleach market in the
United Kingdom.

    Cost of sales as a percentage of revenues declined during 1995 from
1994 for the Membranes and Related Equipment segment and increased for the
Water, Food and Chemical Supply and Consumer Products segments.  The
decrease in the Membranes and Related Equipment segment was due to a more
favorable mix between capital equipment and spare parts revenues and to a
decrease in manufacturing overhead costs as a percentage of revenues.  This
decrease resulted from increased sales of traditional capital equipment and
spares, and the achievement of certain operating efficiencies.  



62




    The increase in cost of sales as a percentage of revenues in the Water,
Food and Chemical Supply segment primarily reflected a different mix of
"own and operate" contracts.  The increase in cost of sales as a percentage
of revenues in the Consumer Products segment resulted from variability in
certain product costs (particularly methanol), competitive market
conditions related to certain products and a change in the mix of products
sold.

    Operating expenses as a percentage of revenues were 20.9% in 1996, down
from 21.1% in 1995 and 21.2% in 1994.  The decrease in operating expenses
as a percentage of revenues in 1996 and in 1995 reflects the absorption of
relatively fixed operating expenses by increased sales volume and the
continued emphasis on expense controls.

    Interest income in 1996 was $0.5 million compared to $1.0 million in
1995 and $1.1 million in 1994.  The decrease in 1996 was due primarily to
lower average invested cash balances.  The decrease in 1995 was due to
increased capital spending, partially offset by higher average interest
rates.

    The Company's effective tax rate was 33.0% in 1996, 33.5% in 1995 and
32.0% in 1994.  The decrease in the effective tax rate for 1996 was due
primarily to an improvement in the mix of earnings and effective tax rates
among the different tax jurisdictions in which the Company operates.  This
was partially offset by a decrease in the benefit from tax-exempt interest
income, a higher state tax rate resulting from a change in the composition
of domestic income by state and a proportionately smaller benefit from the
Company's foreign sales corporation. The increase in the effective tax rate
for 1995 was due to a reduction in the benefit from tax-exempt interest
income and to changes in the mix of earnings and effective tax rates among
the different jurisdictions in which the Company operates.  This increase
was partially offset by a lower effective state tax rate resulting from
state tax incentive credits, as well as a proportionately greater benefit
from the Company's foreign sales corporation. 

    Net income increased 26.1% to $26.5 million in 1996 compared to $21.0
million in 1995.  Net income in 1995 was 36.1% higher than 1994 net income
of $15.4 million.

Legal Proceedings
The Company is involved in the normal course of its business in various
litigation matters.  Although the Company's counsel is unable to determine
at the present time whether the Company will have any liability in any of
these pending matters, some of which are in the early stages of pre-trial
discovery, the Company believes generally that it has meritorious defenses
and that none of the pending matters will have an outcome material to the
financial condition or business of the Company.


63




Financial Condition
At December 31, 1996 the Company had total assets of $378.6 million
compared to total assets of $322.0 million at December 31, 1995 and $277.2
million at December 31, 1994.  The major components of the increase in 1996
and in 1995 were property, plant and equipment related to the Company's
bottled water operations, bleach production and distribution facilities,
trailers and other "own and operate" facilities.  In addition, during both
1996 and 1995, accounts receivable increased, reflecting higher revenues
from capital equipment projects and related retainage amounts.

    Working capital in 1996 increased by $14.1 million and the Company's
current ratio increased to 2.1 from 2.0 in 1995.  Capital expenditures
totaled $46.0 million, $49.6 million, and $38.2 million in 1996, 1995 and
1994, respectively.  Also, $10.5 million of cash was paid in 1994 to settle
the payment obligation arising from the acquisition of Ionics RCC in late
1993.  Funds for these expenditures were provided in both years through
cash from operations, proceeds from stock option exercises and the issuance
of current debt.  In 1995, funds were also provided through the sale of
short-term investments.

    Net cash provided by operating activities increased by $10.4 million in
1996, with higher net income, depreciation, and income taxes partially
offset by a decrease in accounts payable and accrued expenses.  The
decrease in 1995 of $6.7 million compared to 1994 resulted as higher net
income, depreciation, and deferred taxes were more than offset by an
increase in accounts receivable.  Net cash used for investing activities
increased by $2.1 million in 1996 after having decreased by $1.5 million in
1995 from 1994.  In 1996, net cash provided by financing activities
remained substantially consistent with 1995.  In 1995, net cash provided by
financing activities increased by $6.6 million, primarily from increases in
debt and proceeds from stock option exercises.

    Significant expenditures in 1997 are anticipated to include the
expansion of bottled water operations, own and operate facilities and
improvements to manufacturing equipment.

    The Company maintains several lines of credit, including domestic lines
totaling $35 million, which are available to meet working capital needs.
In addition, the Company has several facilities to accommodate its foreign
trade and exchange requirements.  The Company believes that its cash of
$12.3 million at the beginning of 1997, cash from operations, lines of
credit and foreign exchange facilities are adequate to meet its currently
anticipated needs.






64



    Inflationary increases in material and labor costs remained moderate
during the last three years.   The Company has worked to offset such cost
increases by redesigning its equipment to reduce costs.  To the extent
permitted by the competitive environment, the Company has raised prices
where appropriate.

Forward-Looking Information
The Company's future results of operations, as well as statements contained
in this Management's Discussion and Analysis which are forward-looking
statements, depend upon a number of factors that could cause actual results
to differ materially from management's current expectations.  Among these
factors are business conditions and the general economy; competitive
factors, such as acceptance of new products and price pressures; risk of
nonpayment of accounts receivable; risks associated with foreign
operations; and regulations and laws affecting business in each of the
Company's markets.


































65



Report of Independent Accountants




To the Board of Directors and Stockholders of Ionics, Incorporated:

     We have audited the consolidated balance sheets of Ionics,
Incorporated at December 31, 1996 and 1995 and the related consolidated
statements of operations, cash flows and stockholders' equity for each of
the three years in the period ended December 31, 1996.  These financial
statements are the responsibility of the Company's management.  Our
responsibility is to express an opinion on these financial statements based
on our audits.

     We conducted our audits in accordance with generally accepted auditing
standards.  Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free
of material misstatement.  An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial
statements.  An audit also includes assessing the accounting principles
used and significant estimates made by management, as well as evaluating
the overall financial statement presentation.  We believe that our audits
provide a reasonable basis for our opinion.

     In our opinion, the financial statements referred to above present
fairly, in all material respects, the consolidated financial position of
Ionics, Incorporated as of December 31, 1996 and 1995, and the consolidated
results of its operations and its cash flows for each of the three years in
the period ended December 31, 1996, in conformity with generally accepted
accounting principles.


                                       /s/COOPERS & LYBRAND L.L.P.


Boston, Massachusetts
February 18, 1997













66
 


<TABLE>
CONSOLIDATED STATEMENTS OF OPERATIONS                      Ionics, Incorporated

<CAPTION>
For the years ended December 31
Amounts in thousands, except per share amounts    1996        1995        1994
<S>                                            <C>         <C>         <C>
Net revenue:
  Membranes and related equipment              $148,213    $132,673    $113,928
  Water, food and chemical supply               112,305      69,321      58,268
  Consumer products                              66,144      55,299      50,180
                                                326,662     257,293     222,376
Costs and expenses:
  Cost of membranes and related equipment       105,037      94,991      87,255
  Cost of water, food and chemical supply        76,855      45,924      38,274
  Cost of consumer products                      37,956      32,085      28,664
  Research and development                        5,108       4,180       3,372
  Selling, general and administrative            63,118      50,123      43,770
                                                288,074     227,303     201,335

Income from operations                           38,588      29,990      21,041
Interest income                                     527         977       1,057
Equity income                                       441         642         619

Income before income taxes                       39,556      31,609      22,717
Provision for income taxes                       13,053      10,584       7,269

Net income                                     $ 26,503    $ 21,025    $ 15,448

Earnings per share                             $   1.65    $   1.39    $   1.09
Shares used in earnings per
  share calculations                             16,106      15,085      14,198


The accompanying notes are an integral part of these financial statements.

</TABLE>

67



<TABLE>
CONSOLIDATED BALANCE SHEETS                                               Ionics, Incorporated
<CAPTION>
December 31
Dollars in thousands, except share amounts                                  1996       1995  
Assets
<S>                                                                       <C>        <C>
Current assets: 
  Cash and cash equivalents                                               $ 12,269   $  9,479
  Notes receivable, current                                                  3,496      4,529
  Accounts receivable                                                       91,392     78,376
  Receivables from affiliated companies                                      2,999      1,421
  Inventories                                                               26,000     20,564
  Other current assets                                                       8,266      8,018
       Total current assets                                                144,422    122,387
Notes receivable, long-term                                                  7,737      5,813
Investments in affiliated companies                                          2,908      4,874
Property, plant and equipment, net                                         185,817    155,886
Other assets                                                                37,705     33,084
       Total assets                                                       $378,589   $322,044

Liabilities and Stockholders' Equity 
Current liabilities:
  Notes payable and current portion of long-term debt                     $ 11,513   $  4,884
  Accounts payable                                                          28,988     28,089
  Other current liabilities                                                 27,672     25,699
  Taxes on income                                                                -      1,607
       Total current liabilities                                            68,173     60,279
Long-term debt and notes payable                                             2,132        182
Deferred income taxes                                                       14,422      7,780
Other liabilities                                                            1,645        759
Commitments                                                                      -          -
Stockholders' equity:                                                     
  Common stock, par value $1, authorized shares: 
       30,000,000 in 1996 and 1995; 
       issued and outstanding: 15,823,205 in 1996 and 14,801,230 in 1995    15,823     14,801
  Additional paid-in capital                                               149,337    137,587
  Retained earnings                                                        130,228    104,795
  Cumulative translation adjustments                                        (2,811)    (3,671)
  Unearned compensation                                                       (360)      (468)
       Total stockholders' equity                                          292,217    253,044
       Total liabilities and stockholders' equity                         $378,589   $322,044
The accompanying notes are an integral part of these financial statements.
</TABLE>

68


<TABLE>
CONSOLIDATED STATEMENTS OF CASH FLOWS                                  Ionics, Incorporated
<CAPTION>
For the years ended December 31
Dollars in thousands  _____________________________________     1996        1995        1994 
<S>                                                          <C>         <C>
Operating activities:
  Net income                                                 $ 26,503    $ 21,025   $  15,448
  Adjustments to reconcile net income to net cash
  provided by operating activities:
     Depreciation and amortization                             26,162      20,717      18,092
     Provision for losses on accounts and notes receivable      1,011         579         535
     Deferred income tax provision                              4,085       4,263       2,051
     Compensation expense on restricted stock awards              108          72           -
     Changes in assets and liabilities, net of effects
      of businesses acquired:
        Notes receivable                                       (1,557)     (1,636)       (889)
        Accounts receivable                                   (10,863)    (14,474)     (3,634)
        Inventories                                            (3,259)       (300)     (5,296)
        Other current assets                                      449      (1,425)     (3,199)
        Investments in affiliates                                 758         545        (386)
        Accounts payable and accrued expenses                  (7,011)       (290)     16,998
        Income taxes                                            4,678       1,816      (1,343)
        Other                                                     296          28        (738)
           Net cash provided by operating activities           41,360      30,920      37,639

Investing activities:
  Additions to property, plant and equipment                  (46,003)    (49,565)    (38,220)
  Sale and maturity of short-term investments                       -       8,617       3,222
  Purchase of long-term investments                                 -      (3,000)          -
  Acquisitions, net of cash acquired                                -           -     (10,488)
           Net cash used by investing activities              (46,003)    (43,948)    (45,486)

Financing activities:
  Principal payments on current debt                          (22,259)    (11,524)       (325)
  Proceeds from issuance of current debt                       27,149      15,533         347
  Principal payments on long-term debt                         (3,236)          -           -
  Proceeds from stock option plans                              5,731       3,529         945
           Net cash provided by financing activities            7,385       7,538         967
Effect of exchange rate changes on cash                            48           3         312
Net change in cash and cash equivalents                         2,790      (5,487)     (6,568)
Cash and cash equivalents at end of prior year                  9,479      14,966      21,534
Cash and cash equivalents at end of current year             $ 12,269    $  9,479    $ 14,966

The accompanying notes are an integral part of these financial statements.
</TABLE>

69


<TABLE>
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY                                                 Ionics, Incorporated       
<CAPTION>
                                          Common Stock      Additional              Cumulative                Total
                                                      Par    Paid-in     Retained   Translation  Unearned  Stockholders'
Dollars in thousands                     Shares     Value   Capital      Earnings   Adjustments Compensation  Equity   
<S>                                   <C>          <C>      <C>          <C>        <C>         <C>           <C>
Balance December 31, 1993              13,891,610  $ 13,892 $124,189     $ 68,628   $  (6,628)   $       -    $200,081
Stock options exercised                    98,286        98      896          (49)          -            -         945
Tax benefit of stock option activity            -         -      444            -           -            -         444
Translation adjustments, net          
   of income taxes of $(872)                    -         -        -            -       1,692            -       1,692
Net income                                      -         -        -       15,448           -            -      15,448

Balance December 31, 1994              13,989,896   13,990   125,529       84,027      (4,936)           -     218,610
Restatement for pooling                   447,258      447     1,151         (257)          -            -       1,341
Balance January 1, 1995                14,437,154   14,437   126,680       83,770      (4,936)           -     219,951
Stock options exercised                   199,575      199     3,330            -           -            -       3,529
Tax benefit of stock option activity            -        -     1,309            -           -            -       1,309
Translation adjustments, net 
   of income taxes of $180                      -        -         -            -       1,265            -       1,265
Issuance for acquisition                  144,679      145     5,748            -           -            -       5,893
Shares issued under restricted
   stock plan                              19,822       20       520            -           -         (540)          -
Amortization of unearned compensation           -        -         -            -           -           72          72
Net income                                      -        -         -       21,025           -            -      21,025

Balance December 31, 1995              14,801,230   14,801   137,587      104,795      (3,671)        (468)    253,044
Restatement for poolings                  554,544      555      (460)      (1,070)          -            -        (975)
Balance January 1, 1996                15,355,774   15,356   137,l27      103,725      (3,671)        (468)    252,069
Stock options exercised                   406,956      407     5,324            -           -            -       5,731
Tax benefit of stock option activity            -        -     4,390            -           -            -       4,390
Translation adjustments, net 
   of income taxes of $(93)                     -        -         -            -         860            -         860
Issuance for acquisitions                  60,475       60     2,496            -           -            -       2,556
Amortization of unearned compensation           -        -         -            -           -          108         108
Net income                                      -        -         -       26,503           -            -      26,503
Balance December 31, 1996              15,823,205  $15,823  $149,337     $130,228   $  (2,811)   $    (360)   $292,217

The accompanying notes are an integral part of these financial statements.
</TABLE>

70



NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


NOTE 1.  SIGNIFICANT ACCOUNTING POLICIES

NATURE OF OPERATIONS 
The Company is involved worldwide in the manufacture and sale of membranes
and related equipment for the purification, concentration, treatment and
analysis of water and wastewater, in the supply of purified water, food
and chemical products, and in the sale of bottled water and home water
purifiers.  Principal markets include the United States and Europe as well
as other international markets.

BASIS OF PRESENTATION
Certain prior year amounts have been restated to conform to the current
year presentation with no impact on net income.  Consolidated results have
been restated to include the pooling of Sievers Instruments, Inc. (NOTE
13).

PRINCIPLES OF CONSOLIDATION
The consolidated financial statements include the accounts of the Company,
its wholly and majority owned subsidiaries and Aqua Cool Enterprises,
Inc., a controlled affiliate.  All significant intercompany accounts and
transactions have been eliminated.

Investments in affiliated companies, representing non-majority ownership
interests, are accounted for under the equity method.

REVENUE RECOGNITION
Product revenues are recorded upon shipment, and service revenues are
recorded as the services are performed.  Interest revenues on consumer
water equipment loans are recognized over the life of the loans.  Interest
earned on customer notes receivable, totaling $1,181,000, $1,076,000 and
$989,000 in 1996, 1995 and 1994, respectively, is included in revenues.

Most equipment leases to customers are accounted for as operating leases
wherein rental revenues are recognized over the life of the lease and the
cost of the equipment is depreciated over its useful life.   Some leases
are accounted for as sales-type leases wherein the present value of the
lease revenues and costs are recognized at the time of shipment of the
product.

Revenues from large contracts are recognized using the percentage
completion method of accounting in the proportion that costs incurred bear
to total estimated costs at completion.  Losses, if any, are provided for
in the period in which the loss is determined.

CASH EQUIVALENTS 
Short-term investments with a maturity of 90 days or less from the date of
acquisition are classified as cash equivalents.

INVESTMENTS
Management determines the appropriate classification of its investment in
debt securities at the time of purchase.  Debt securities which the
Company has the ability and positive intent to hold to maturity are 

71



classified accordingly and carried at cost.  All other investments are
classified as available for sale and carried at fair value with unrealized
gains and losses, net of tax, reported in a separate component of
stockholders' equity.  The Company is not involved in activities
classified as the trading of investments.

NOTES RECEIVABLE
Notes receivable have been reported at their estimated realizable value.
The allowance for uncollectible notes receivable totaled $591,000 and
$685,000 at December 31, 1996 and 1995, respectively.

INVENTORIES 
Inventories are carried at the lower of cost or market, principally on the
first-in, first-out basis.  The Company had no deferred production costs
which exceeded the aggregate estimated cost of long-term sales contracts.

PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment is recorded at cost.  When an asset is
retired or sold, any resulting gain or loss is included in the results of
operations.  Interest capitalized as property, plant and equipment
amounted to $1,169,000, $268,000 and $104,000 in 1996, 1995 and 1994,
respectively.  Depreciation is computed on a straight-line basis over the
expected lives of the assets, as follows:


Classification                                        Depreciation Lives

Buildings and improvements                                 10 - 40 years
Machinery and equipment, including
  supply equipment                                          3 - 25 years
Other                                                       3 - 12 years

The Company's policy is to depreciate processing plants, other than leased
equipment, over the shorter of their useful lives or the term of the
corresponding supply contracts. 

The Company has adopted Statement of Financial Accounting Standards No.
121 "Accounting for the Impairment of Long-Lived Assets and for Long-Lived
Assets to Be Disposed Of" in 1996.  This Statement requires recognition of
impairment losses pertaining to long-term assets based upon the excess of
the carrying amount of such assets over their fair values.  The adoption
of this statement has had no material effect on the financial statements
of the Company.

GOODWILL
Goodwill is included in other assets and represents the unamortized
difference between acquisition cost and the fair value of net assets
acquired in the purchase of various entities.  Goodwill is amortized on a
straight-line basis over its estimated useful life but not in excess of 40
years.  The Company continually evaluates the realizability of goodwill
based upon expectations of non-discounted cash flows and operating income
for each subsidiary having a material goodwill balance.

72



FOREIGN EXCHANGE 
Assets and liabilities of foreign affiliates and subsidiaries are
translated at year-end exchange rates, and the related statements of
operations are translated at average exchange rates during the year.
Translation gains and losses are accumulated net of income tax as a
separate component of stockholders' equity.

Some transactions of the Company and its subsidiaries are made in
currencies different from their own.  Gains and losses from these
transactions are included in income as they occur.  Net foreign currency
transaction gains included in income before taxes totaled $548,000,
$58,000 and $23,000 for 1996, 1995 and 1994, respectively.

INCOME TAXES
Income tax expense is based on pretax financial accounting income.
Deferred tax assets and liabilities are recognized for the expected tax
consequences of temporary differences between the tax basis of assets and
liabilities and their reported amounts using enacted rates in effect for
the year in which the differences are expected to reverse.

EARNINGS PER SHARE
Earnings per share is computed based on the weighted average number of
common and common equivalent shares outstanding after giving retroactive
effect to a 2-for-1 stock split in 1995 for all periods presented.  Common
equivalent shares result from the assumed exercise of dilutive stock
options.  Fully diluted earnings per share is substantially the same as
earnings per share.

USE OF ESTIMATES
The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the
financial statements and the reported amounts of revenues and expenses
during the reporting period.  Actual results could differ from those
estimates.

73



<TABLE>
NOTE 2.  CONSOLIDATED BALANCE SHEET DETAILS
<CAPTION>
Dollars in thousands                                  1996        1995  
<S>                                                 <C>         <C>
Raw materials                                       $ 15,028    $ 12,640
Work in process                                        8,120       5,411
Finished goods                                         2,852       2,513
Inventories                                         $ 26,000    $ 20,564

Land                                                $  3,602    $  3,270
Buildings                                             33,157      26,018
Machinery and equipment                              233,077     191,195
Other, including furniture, fixtures and vehicles     36,834      26,772
                                                     306,670     247,255
Accumulated depreciation                            (120,853)    (91,369)
Property, plant and equipment, net                  $185,817    $155,886

Goodwill                                            $ 35,067    $ 30,632
Accumulated amortization                              (3,922)     (2,966)
Other______________________________________________    6,560       5,418
Other assets                                        $ 37,705    $ 33,084

Customer deposits                                   $  7,147    $  3,131
Accrued commissions                                    2,402       2,184
Accrued expenses                                      18,123      20,384
Other current liabilities                           $ 27,672    $ 25,699

</TABLE>
74


<TABLE>
NOTE 3.  SUPPLEMENTAL SCHEDULE OF CASH AND NON-CASH FLOW INFORMATION
<CAPTION>
Dollars in thousands  __________________________    1996       1995      1994
<S>                                               <C>       <C>       <C>
Cash payments for interest and income taxes:
  Interest                                        $ 1,338   $   360   $   159
  Taxes                                           $ 4,264   $ 7,150   $ 6,628
Restricted stock compensation credited to 
paid-in capital                                   $     -   $  (540)  $     -

Liabilities assumed in conjunction with 
acquisitions:
  Fair value of assets purchased                  $ 8,452   $ 6,196   
  Book value of assets pooled                       8,592     2,632   
  Retained deficit pooled                           1,070       257   
  Net cash received                                    89       207   
  Value of common stock issued                     (2,530)   (7,491)  
Liabilities assumed                               $15,673   $ 1,801
</TABLE>
<TABLE>
NOTE 4.  ACCOUNTS RECEIVABLE
<CAPTION>
Dollars in thousands                               1996       1995
<S>                                              <C>        <C>
Billed receivables                                $68,775   $54,226
Unbilled receivables                               24,884    25,875
Allowance for doubtful accounts                    (2,267)   (1,725)
Accounts receivable                               $91,392   $78,376
</TABLE>
Unbilled receivables represent the excess of revenues recognized on
percentage completion contracts over amounts billed.  These amounts will
become billable as the Company achieves contractual milestones.
Substantially all of the unbilled amounts at December 31, 1996 are expected
to be billed during 1997.

Billed receivables include retainage amounts of $4,378,000 and $1,609,000 at
December 31, 1996 and 1995, respectively.  Substantially all retainage
amounts are collectible within one year.


75




<TABLE>
NOTE 5.  INVESTMENTS IN AFFILIATED COMPANIES

The Company's investments in the following foreign affiliates
are accounted for under the equity method.  The principal business
activities of these foreign affiliates involve the production, sale and
distribution of bottled and treated water and the sale of equipment and
replacement parts.
<CAPTION>
                                                                Ownership
Affiliate                                                       Percentage
<S>                                                             <C>
Aqua Cool Kuwait - Kuwait                                           49%
Aqua Cool Saudi Arabia - Saudi Arabia                               40%
Ionics-Mega s.r.o. - Czech Republic                                 49%
Jalal-Ionics, Ltd. - Bahrain                                        40%
Yuasa-Ionics Co., Ltd. - Japan                                      50%
Aguas Tratadas de Cadereyta S.A. de C.V. - Mexico                   20%
Aqua Design Ltd. - Cayman Islands                                   39%
</TABLE>
The Company's percentage ownership interest in a foreign affiliate may vary
from its interest in the earnings of such affiliate.
<TABLE>
Activity in investments in affiliated companies:
<CAPTION>
Dollars in thousands                        1996       1995       1994 
<S>                                       <C>        <C>        <C>
Investments at end of prior year          $ 4,874    $ 5,419    $ 4,989
Equity in earnings                            441        642        619
Distributions received                     (1,254)    (1,187)      (233)
Cumulative translation adjustments              -          -         44
Reclassification of Watlington  
  Waterworks, Ltd. to other assets
  resulting from ownership dilution        (1,208)         -          -
Other investment                               55          -          -
Investments at end of current year        $ 2,908    $ 4,874    $ 5,419
</TABLE>
At December 31, 1996, the Company's equity in the total assets and in the
total liabilities of its foreign affiliates was $5,023,000 and $2,115,000,
respectively.  The Company's equity in the 1996 total revenues of these
affiliates was $4,411,000.

NOTE 6.   CONTINGENT LIABILITIES

The Company is involved in the normal course of its business in various
litigation matters.  Although the Company's counsel is unable to determine 


76




at the present time what the Company's ultimate liability will be in any
of the pending matters, some of which are in the early stages of pre-trial
discovery, the Company believes generally that it has meritorious defenses
and that none of the pending matters will have an outcome material to the
financial condition or business of the Company.  

The Company was notified in 1992 that it is a potentially responsible
party (PRP) at a Superfund site, Solvent Recovery Services of New England
in Southington, Connecticut (the "SRS Site").  Combined assessments to
date against all PRPs total $9.73 million.  Ionics' share of these
assessments totals $51,000.  The ultimate site clean-up cost is currently
not expected to exceed $59 million, of which the Company's share would not
exceed $308,000 including the amounts already assessed against the
Company.  While it is too soon to predict the scope and cost of the final
remedy that the EPA will select, based upon the large number of PRPs
identified, the Company's small volumetric ranking (approximately 0.5%)
and the identities of the larger PRPs, the Company believes that its
liability in this matter will not have a material effect on the Company or
its financial position.
<TABLE>
NOTE 7.  LONG-TERM DEBT AND NOTES PAYABLE
<CAPTION>
Dollars in thousands                                      1996      1995 
<S>                                                     <C>       <C>
Borrowings outstanding                                  $13,645    $5,066
Less installments due within one year                    11,513     4,884
Long-term debt and notes payable                        $ 2,132    $  182
</TABLE>
Maturities of borrowings outstanding for the five years ending December 31,
1997 through 2001 are approximately $11,513,000, $2,063,000, $16,000,
$9,000 and $9,000, respectively.


77


The Company has domestic credit arrangements with various banks under which
it can borrow up to an aggregate of approximately $35 million, at the prime
rate (8.25% at December 31, 1996), the money market rate (7.25% at December
31, 1996) or the London Interbank Offered Rate plus 1/2% (6.25% at December
31, 1996), at the Company's option.  The Company had outstanding borrowings
of $9,387,000 against these lines of credit at December 31, 1996.

Included in the credit lines is a $25 million credit line with a
commercial bank which includes a commitment fee of 1/8 of 1% per annum on
the unused average daily amount.

The Company utilizes short-term bank loans to finance working capital
requirements for certain business units.  The Company's various loan and
note agreements contain certain financial covenants typical to such
agreements relating to working capital and to consolidated tangible net
worth.  The weighted average interest rate on these borrowings at December
31, 1996 and 1995 was approximately 8% and 10%, respectively.
<TABLE>
NOTE 8.  INCOME TAXES

The components of domestic and foreign income before income taxes were as
follows:
<CAPTION>
Dollars in thousands                                  1996        1995       1994
<S>                                                <C>         <C>        <C>
U.S.                                               $29,017     $22,838    $15,022
Non-U.S.                                            10,539       8,771      7,695
Income before income taxes                         $39,556     $31,609    $22,717

The provision for income taxes consisted of the following:
                                                   
Dollars in thousands                                  1996        1995       1994
 
  Federal                                          $ 7,919     $ 5,407    $ 3,575
  Foreign                                              793         437        926
  State                                                256         477        717
Current provision                                    8,968       6,321      5,218

  Federal                                            1,671       3,164        225
  Foreign                                            1,047         569      1,625
  State                                              1,367         530        201
Deferred provision                                   4,085       4,263      2,051
Provision for income taxes                         $13,053     $10,584    $ 7,269
</TABLE>


78


<TABLE>
Deferred income taxes reflect the net tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial
reporting purposes and the amounts used for income tax purposes.  At
December 31, 1996 the tax effects of the temporary differences were:
<CAPTION>
                                                  Deferred    Deferred Tax
Dollars in thousands                             Tax Assets   Liabilities
<S>                                              <C>          <C>
Depreciation                                       $     -    $ 8,463
Goodwill amortization                                    -        365
Inventory valuation                                  1,332          -
Bad debt reserves                                      372          -
Accrued commissions                                    559          -
Profit on sales to foreign subsidiaries              1,217          -
Insurance accruals                                     682          -
U.S. tax on unrepatriated earnings                       -      2,675
Pensions                                                 -        416
Royalties                                              850          -
Sale versus lease                                      293          -
Foreign withholding taxes on undistributed earnings      -      2,671
Foreign deferred liabilities, net                        -      3,389
Tax effect of current translation loss               1,033          -
Net operating loss carryforwards                     5,686          -
Miscellaneous                                        1,522        842
                                                    13,546     18,821
Valuation allowance for deferred tax assets         (1,800)         -
Deferred income taxes                              $11,746    $18,821
</TABLE>
<TABLE>
The United States statutory corporate tax rate is reconciled to the
Company's effective tax rate as follows:
<CAPTION>
                                                   1996      1995    1994
<S>                                              <C>       <C>     <C>
U.S. Federal statutory rate                       35.0%     35.0%    35.0%
Foreign Sales Corporation                         (1.6)     (2.1)    (1.8)
Tax exempt interest income                         (.5)     (1.2)    (2.4)
State income taxes, net of federal tax benefit     2.7       1.9      2.6
Foreign income taxed at different rates           (2.0)        -     (1.1)
Other, net                                         (.6)      (.1)     (.3)
Effective tax rate                                33.0%     33.5%    32.0%

At December 31, 1996, the Company had unused tax loss carryforward benefits of
$5,686,000 (expiring in fiscal years 2004 to 2009).  Because certain provisions
of the tax law may limit the utilization of these benefits, the Company has
established $1,800,000 as a valuation allowance at December 31, 1996 and 1995.
The remaining unreserved portion is considered to be realizable.  $3,886,000 of
the net unused tax loss carryforward benefit has been included in other assets
at December 31, 1996.

The Company has elected not to provide tax on certain undistributed earnings of
its foreign subsidiaries which it considers to be permanently reinvested.  The
cumulative amount of such unprovided taxes was approximately $1,538,000,
$682,000 and $627,000 as of December 31, 1996, 1995 and 1994, respectively.  
</TABLE>
79



NOTE 9.   STOCKHOLDERS' EQUITY

During 1996 and 1995, the Company issued 1,062,277 shares (including shares
for Sievers Instruments, Inc.) and 144,679 shares, respectively, in
conjunction with acquisition related activity (NOTE 13).

The Company has adopted Statement of Financial Accounting Standards (FAS) No.
123 "Accounting for Stock-Based Compensation" in 1996.  The fair value of each
option grant is estimated on the date of grant using the Black-Scholes option-
pricing model with the following assumptions used for grants in 1996 and 1995:
expected volatility of 23.1%, risk-free interest rates ranging from 5.87% to
6.94% and expected lives of 5 years.  The weighted average fair value of
options granted during 1996 and 1995 was $15.17 and $10.02, respectively.

At December 31, 1996, the Company had three stock-based compensation plans
which are described below.  The Company applies Accounting Principles Board
Opinion 25 in accounting for its plans.  Accordingly, any difference between
the option price and the fair market value of the stock at the date of grant
is charged to operations over the expected period of benefit to the Company.
Had compensation cost for the Company's plans been determined based on the
fair value of the options at the grant dates for awards under those plans
consistent with the method of FAS 123, the Company's net income and earnings
per share would have been adjusted.  On a pro forma basis, net income as
reported for 1996 of $26.5 million would have been $25.9 million and 1995 net
income of $21.0 million would have been unchanged.  Earnings per share as
reported for 1996 of $1.65 would have been $1.61 and 1995 earnings per share
of $1.39 would have been unchanged.  The effects of applying FAS123 in this
pro forma disclosure are not indicative of future awards, which are
anticipated.  FAS123 does not apply to awards prior to 1995.

Under its 1979 Stock Option Plan (the "1979 Plan"), options may be granted to
officers and other key employees of the Company (only as non-qualified options
since February 1989) and are exercisable at a price of not less than $1.00 per
share.  It has been the general policy of the Compensation Committee of the
Board of Directors, which administers the 1979 Plan, to issue non-qualified
options with an exercise price equal to the fair market value of the stock.
At December 31, 1996 and 1995, 132,519 and 90,758 shares, respectively, were
reserved for issuance of additional options under the 1979 Plan.

Under the 1986 Stock Option Plan for Non-Employee Directors (the "1986 Plan"),
options may be granted at a price not less than the fair market value of the
stock at the date of grant.  As of December 31, 1996 and 1995, 98,500 and
116,500 shares, respectively, were reserved for issuance of additional options
under the 1986 Plan.

The Company has reserved 91,200 shares for options granted in 1990 to certain
non-employees in exchange for a previously granted option to purchase 50% of
the shares of a Spanish subsidiary of the Company which was merged with Ionics
Iberica, S.A. in 1992.  During 1995, an additional 30,000 options were granted
to the same persons in connection with an increase in production capacity and
projected increases in the sale of water under a long-term water sale
agreement between Ionics Iberica, S.A. and the local water utility.  The fair
value of these options is being charged to operations over the 10-year vesting
period.

80


<TABLE>
A summary of the status of the Company's stock option plans as of December 31, 1996, 1995
and 1994 and changes during the years ending on those dates is presented below:
<CAPTION>
                              1996                  1995                  1994        
                                 Weighted-             Weighted-             Weighted-
                                 Average               Average               Average
(Options                         Exercise              Exercise              Exercise
in thousands)         Options     Price     Options     Price     Options     Price  
<S>                   <C>        <C>        <C>        <C>        <C>        <C>
Outstanding at end
 of prior year          1,989    $ 20.30      2,185    $ 19.98      1,666    $ 17.67
Granted                   744      42.51         39      27.48        642      24.23
Exercised                (465)     17.15       (204)     18.11       (105)      8.99
Canceled                  (68)     23.06        (31)     21.85        (18)     21.53
Outstanding at end
  of current year       2,200    $ 28.39      1,989    $ 20.30      2,185    $ 19.98

Options exercisable
 at year-end            2,137                 1,913                 2,130
</TABLE>
<TABLE>
The following table summarizes the information about stock options outstanding
at December 31, 1996:
<CAPTION>
(Options in
thousands)                   Options Outstanding        Options Exercisable 
<S>                   <C>         <C>         <C>       <C>         <C>
                                  Weighted-
                                   Average    Weighted-   Number    Weighted-
                        Number    Remaining   Average   Exercisable Average
  Range of            Outstanding Contract    Exercise      at      Exercise
 Exercise Prices      at 12/31/96  Years       Price     12/31/96    Price  

$ 4.29   - $ 5.63            20     1.9       $ 4.74           20   $ 4.74
  7.38   -   8.82             6     1.3         8.13            6     8.13
 11.88   -  12.94           146     3.4        12.12          110    12.08
 15.25   -  22.56           703     6.0        20.34          703    20.34
 23.13   -  30.38           595     7.6        24.64          568    24.50
 43.13   -  47.75           730     9.7        43.26          730    43.26
$ 4.29   - $47.75         2,200     7.4       $28.39        2,137   $28.68
</TABLE>
The Company has adopted a restricted stock plan (the "1994 Plan") under
which shares of common stock may be granted to officers and other key
employees of the Company.  Restrictions on the sale of such common stock
typically lapse over a five-year vesting period.  No shares were issued
under the Plan in 1996.  During 1995, 19,822 shares were issued under the
Plan.  280,178 additional shares have been reserved for issuance.  The
fair value of $540,000 was recorded as unearned compensation and is being
charged to operations over the vesting period.

81




The Company has a Section 401(k) stock savings plan under which 150,000
shares have been registered with the Securities and Exchange Commission
for purchase on behalf of employees.  Shares are normally acquired for the
plan in the open market.  Through December 31, 1996, no shares had been
issued under the plan.

The Company has adopted a Stockholder Rights Plan designed to protect
stockholders against abusive takeover tactics.  Each share of common stock
now carries one-half right.  Each right entitles the holder to purchase
from the Company one unit, consisting initially of one-fifth share of
common stock and one note in principal amount equal to four-fifths of the
current market price of the common stock on the date of exercise, at a
purchase price of $50 subject to adjustment.  In certain circumstances,
rights cease to be exercisable for a unit and become exercisable for $100
worth of common stock (or a combination of cash, property or other
securities of the Company) for $50.  

The rights are not exercisable until the occurrence of certain events as
defined in the Rights Plan.  Subject to possible extension, the rights may
be redeemed by the Company at $.01 per right at any time unless certain
events occur.  Unless redeemed earlier, the rights, which have no voting
power, expire on December 31, 1997.

In November 1994, the Company's Board of Directors declared a 2-for-1
stock split, effected by a 100% stock dividend which was paid January 6,
1995 to shareholders of record on December 14, 1994.  All share and option
amounts, related prices and other stockholders' equity information have
been adjusted for all periods presented to give retroactive effect to this
split.

NOTE 10.  OPERATING LEASES

The Company leases equipment, primarily for industrial water purification
and bottled water coolers, to customers through operating leases.  The
original cost of this equipment was $86,656,000 and $64,125,000 at December
31, 1996 and 1995, respectively.  The accumulated depreciation for such
equipment was $28,347,000 and $19,242,000 at December 31, 1996 and 1995,
respectively.

At December 31, 1996, future minimum rentals receivable under noncancelable
operating leases in the years 1997 through 2001 and later were approximately
$22,273,000, $18,137,000, $14,334,000, $10,437,000, $6,863,000 and
$32,024,000, respectively.

The Company leases facilities and personal property under various operating
leases.  Future minimum payments due under lease arrangements are as
follows: $2,429,000 in 1997, $1,746,000 in 1998, $913,000 in 1999, $650,000
in 2000, and $309,000 in 2001.  Rent expense under these leases was
approximately $4,188,000, $3,538,000 and $3,249,000 for 1996, 1995 and 1994,
respectively.

82



NOTE 11.  PROFIT-SHARING AND PENSION PLANS

The Company has a contributory profit-sharing plan (defined contribution
plan) which covered substantially all of the employees of its Bridgeville,
Pennsylvania operations and certain related operations during 1994.
Effective July 1, 1995 all such employees, except those who are members of
the Fabricated Products Group, became members of the Company's defined
benefit pension plan described below.  Company contributions to the defined
contribution plan are made from pretax profits, may vary from 8% to 15% of
participants' compensation, and are allocated to participants' accounts in
proportion to each participant's respective compensation.  Company
contributions were $249,000, $188,000 and $360,000 in 1996, 1995 and 1994,
respectively.

The Company also has a contributory defined benefit pension plan (defined
benefit plan) for its Watertown-based employees and employees of its other
domestic divisions and subsidiaries.  Benefits are based on years of service
and the employee's average compensation.  The Company's funding policy is to
contribute annually an amount that can be deducted for federal income tax
purposes.





























83


<TABLE>

The following table sets forth the defined benefit plan's funded status and
amounts recognized in the Company's balance sheet at December 31, 1996 and
1995:
<CAPTION>
Dollars in thousands                                               1996       1995
<S>                                                             <C>        <C>
Actuarial present value of benefit obligations:

  Accumulated benefit obligation, including vested
  benefits of $8,996 and $8,082, respectively                   $(10,003)  $(8,822)

  Projected benefit obligation for service 
  rendered to date                                               (10,883)   (9,696)

Plan assets at fair value                                          8,577     7,103

Projected benefit obligation in excess of plan assets             (2,306)   (2,593)
Unrecognized net loss                                                993     1,282
Unrecognized prior service cost                                      523       559
Unrecognized net assets being amortized 
  over approximately 17 years                                       (362)     (415)
Adjustment for additional minimum liability                         (273)     (552)
Accrued pension cost at December 31                             $ (1,425)  $(1,719)
</TABLE>
<TABLE>
<CAPTION>
Net pension cost included the following components:
Dollars in thousands                                   1996        1995     1994 
<S>                                                  <C>        <C>        <C>
Service cost                                         $ 1,026    $    706   $   652
Interest cost                                            780         658       636
Return on plan assets                                   (908)     (1,157)       46
Net amortization and deferral                            265         588      (703)
Net periodic pension cost                            $ 1,163    $    795   $   631
</TABLE>
The discount rate used in determining the projected benefit obligation was
7.25% in 1996 and 1995.  The rate of increase in compensation levels used
was 5% in 1996 and 6% in 1995.  The expected long-term rate of return on
assets was 9%.  Plan assets consist primarily of money market, equity and
fixed-income securities and are administered by an independent trustee.

84




The Ionics Section 401(k) stock savings plan is available to substantially
all employees of the Company and its domestic subsidiaries.  Employees may
contribute from 1% to 12% of compensation subject to certain limits.  The
Company matches 50% of employee contributions allocated to the Company's
common stock up to 6% of their salary.  The Company recognized expense of
$655,000, $512,000 and $376,000 in 1996, 1995 and 1994, respectively, under
this plan.

The Company does not provide post-retirement health care to its employees
or any other significant post-retirement benefits other than those
described above.

NOTE 12.  FINANCIAL INSTRUMENTS

OFF-BALANCE-SHEET RISK
The Company issues letters of credit as guarantees for various performance
and bid obligations.  Approximately $22.0 million and $18.9 million of
these letters were outstanding at December 31, 1996 and 1995, respectively.
Approximately 51% of the letters of credit outstanding at December 31, 1996
are scheduled to expire in 1997.  These instruments were executed with
creditworthy institutions.  The Company periodically enters into foreign
exchange contracts to hedge certain operational and balance sheet exposures
against changes in foreign currency exchange rates.  Because the impact of
movements in currency exchange rates on foreign exchange contracts offsets
the related impact on the underlying items being hedged, these instruments
do not subject the Company to risk that would not otherwise result from
changes in currency exchange rates.  The Company had no foreign exchange
contracts outstanding at December 31, 1996 and 1995.

CONCENTRATIONS OF CREDIT RISK
Financial instruments that potentially subject the Company to significant
concentrations of credit risk consist principally of cash equivalents,
investments, trade accounts receivable and notes receivable.  The credit
risk of cash equivalents and investments is low as the funds are primarily
invested in Spanish Government securities and with major financial
institutions.  The Company's concentrations of credit risk with respect to
trade accounts receivable and notes receivable is considered low.  The
Company's customer base is spread across many different industries and
geographies and the Company obtains guaranteed letters of credit for many
of its foreign orders.  

FAIR VALUE OF FINANCIAL INSTRUMENTS
The carrying amounts of cash equivalents and investments closely
approximate their fair values as these items have relatively short
maturities and are highly liquid.  Based on market information, the
carrying amounts of notes receivable and debt approximate their fair
values.

INVESTMENTS IN SECURITIES
Realized gains and losses from the sale of debt and equity securities
during fiscal 1996 and 1995 were not significant.

85



Long-term investments, maturing in 1998 and 2001, which the Company intends
to hold to maturity have been recorded at a net cost of $1,144,000 and
$1,219,000 at December 31, 1996 and 1995, respectively.  These costs
approximate fair value.

During 1996, the Company's investment in Watlington Waterworks Limited
(Watlington) of Bermuda decreased from 23% to 19% as a result of the
issuance by Watlington of additional shares.  Accordingly, the $1,208,000
carrying value of this investment, previously accounted for under the
equity method, has been reclassified to other assets at December 31, 1996
and is accounted for under the cost method.  This investment, which
approximates the current market value, is considered to be available for
sale.

NOTE 13.  CONSOLIDATION AND ACQUISITION

AQUA DESIGN, INC.
The Company completed a pooling with Aqua Design, Inc. (Aqua Design) on
January 3, 1996 and issued 222,977 shares of common stock in exchange for
more than 90% of the outstanding common stock of Aqua Design.  Because the
operating results from prior years were not material, both individually and
in the aggregate, compared to those of the Company, the transaction has
been recorded by restatement of retained earnings as of January 1, 1996,
and no restatement of prior-period financial statements has been made.
Aqua Design owns and operates membrane-based seawater desalination systems
to produce drinking and process water primarily for hotels and
municipalities in the Caribbean.

APOLLO ULTRAPURE WATER SYSTEMS, INC.
The Company completed a pooling with Apollo Ultrapure Water Systems, Inc.
(Apollo) on January 10, 1996, and issued 331,567 shares of common stock in
exchange for 100% of the outstanding common stock of Apollo.  Because the
operating results from prior years were not material, both individually and
in the aggregate, compared to those of the Company, the transaction has
been recorded by restatement of retained earnings as of January 1, 1996,
and no restatement of prior-period financial statements has been made.
Apollo sells ultrapure water and related services to a variety of
industrial and commercial users primarily in southern California.

SIEVERS INSTRUMENTS
On May 31, 1996, the Company completed a pooling with Sievers Instruments,
Inc. (Sievers), and issued 447,258 shares of common stock in exchange for
100% of the outstanding common stock of Sievers.  The accompanying
financial statements have been restated to include the accounts and
operations of Sievers for all periods beginning as of January 1, 1995,
since results of operations prior to this date are immaterial in relation
to the results of the Company as a whole.  Intercompany transactions
between the combining entities, which were not significant, have been
eliminated.  Sievers manufactures instruments designed to measure extremely
low levels of organic contaminants in ultrapure water for customers in the
pharmaceutical, semiconductor and other industries.

86




Separate results of the combining entities prior to the combination, which
have been included in the restated results, were as follows:

                             Three Months     Twelve Months
     Dollars in thousands       Ended             Ended
     (1996 UNAUDITED)        March 31, 1996  December 31, 1995

     Net revenue:
         Ionics                 $74,157         $248,617
         Sievers (Unaudited)      3,686            8,676
                                $77,843         $257,293
     Net income:
         Ionics                 $ 5,572         $ 19,682
         Sievers (Unaudited)        513            1,343
                                $ 6,085         $ 21,025

SEPARATION TECHNOLOGY, INC.
In July 1996, the Company purchased 100% of the stock of Separation
Technology, Inc. (STI) for approximately $2.4 million through the issuance
of 58,000 shares of common stock.   The results of STI have been included
in the Company's financial statements from July 1, 1996.  Goodwill of
approximately $4.4 million is being amortized on a straight-line basis over
twenty years.  Pro forma results of operations have not been presented, as
the effect of this acquisition on the financial statements was not
material.  STI is a supplier of membrane-based purification equipment and
related services to the food industry with particular emphasis on dairy and
beverage applications.

AHLFINGER WATER COMPANY
On November 2, 1995, the Company acquired substantially all of the assets
and liabilities of Ahlfinger Water Company (Ionics Ahlfinger) for $5.9
million through the issuance of 144,679 shares of common stock.  Ionics
Ahlfinger, based in Dallas, is a water treatment services company
specializing in ion-exchange and reverse osmosis solutions to customer
needs.

The acquisition was accounted for under the purchase method, with the
results of Ionics Ahlfinger included from November 2, 1995.  Goodwill of
$4.7 million is being amortized on a straight-line basis over 30 years.
Pro forma results of operations have not been presented, as the effect of
this acquisition on the financial statements was not material.

NOTE 14.  SEGMENT INFORMATION

BUSINESS SEGMENTS
The Company conducts its business in three business segments:  

Membranes and Related Equipment - electrodialysis reversal systems, reverse
osmosis systems, microfiltration systems, ultrafiltration systems,
conventional water and wastewater treatment equipment, other separations
technology products, zero liquid discharge systems, instruments for
analysis, monitoring and on-line detection of pollution levels, and
fabricated products.

87




Water, Food and Chemical Supply - water, food and chemicals produced by the
Company's membrane-based equipment, including desalted water for municipal
and industrial use; ultrapure water for semiconductor and other industries;
reduced mineral whey for food applications; and bleach and related
chemicals.

Consumer Products - bottled water, over and under-the-sink point of use
devices, carbon filtering media, point-of-entry systems for treating the
entire home water supply, household bleach and other cleaning products.








































88



<TABLE>
The following table summarizes the Company's operations by the three business segments and "Corporate and
Other."  Corporate and Other includes corporate-sponsored research and development programs and certain
employee bonuses and insurance costs.
<CAPTION>
                                          Membranes    Water, Food                 Corporate 
                                         and Related   and Chemical   Consumer        and
Dollars in Thousands                      Equipment       Supply      Products       Other       Total  
<S>                                         <C>          <C>          <C>          <C>          <C>
1996 
Revenue - unaffiliated customers            $148,213     $112,305     $ 66,144     $      -     $326,662
Inter-segment transfers                        3,277          761            -       (4,038)           - 
Income from operations                        15,775       18,437        6,730       (2,354)      38,588
Equity income                                      -           22          419            -          441
Earnings before interest and taxes (EBIT)     15,775       18,459        7,149       (2,354)      39,029
EBIT % of total EBIT, after allocation
 of Corporate and Other                           38%          45%          17%           -          100%
Identifiable assets                          128,200      125,513      117,947        4,021      375,681
Investments in affiliated companies               57           30        2,821            -        2,908
Depreciation and amortization                  3,740       15,102        7,075          245       26,162
Capital expenditures                           7,280       16,250       22,305          168       46,003
1995
Revenue - unaffiliated customers            $132,673     $ 69,321     $ 55,299     $      -     $257,293
Inter-segment transfers                        6,202        2,422            -       (8,624)           -
Income from operations                        13,249       14,486        4,967       (2,712)      29,990
Equity income (loss)                             (49)          57          634            -          642
Earnings before interest and taxes (EBIT)     13,200       14,543        5,601       (2,712)      30,632
EBIT % of total EBIT, after allocation
 of Corporate and Other                           39%          44%          17%           -          100%
Identifiable assets                          120,699      103,643       95,126       (2,298)     317,170
Investments in affiliated companies                -        1,218        3,656            -        4,874
Depreciation and amortization                  2,878       11,663        5,973          203       20,717
Capital expenditures                          13,088       15,189       21,138          150       49,565
1994
Revenue - unaffiliated customers            $113,928     $ 58,268     $ 50,180     $      -     $222,376
Inter-segment transfers                        1,718          615            -       (2,333)           -
Income from operations                         4,996       12,881        6,444       (3,280)      21,041
Equity income (loss)                            (349)         124          844            -          619
Earnings before interest and taxes (EBIT)      4,647       13,005        7,288       (3,280)      21,660
EBIT % of total EBIT, after allocation
 of Corporate and Other                           19%          52%          29%           -          100%
Identifiable assets                           85,771       85,064       85,885       15,025      271,745
Investments in affiliated companies               34        1,211        4,174            -        5,419
Depreciation and amortization                  2,483       10,928        4,570          111       18,092
Capital expenditures                           7,897       13,374       16,589          360       38,220 
</TABLE>

89


<TABLE>
GEOGRAPHIC SEGMENTS
Revenues are reflected in the segment from which the sales are made.  Transfers between areas are
generally made at cost plus a markup which approximates prices charged to unaffiliated customers.
Certain corporate expenses are included with the elimination of intersegment profit in the
"Corporate and Eliminations" segment.  Identifiable corporate assets, which are net of
eliminations, consist primarily of cash and short-term investments. Included in the United States
segment are export sales of approximately 18%, 23% and 19% for 1996, 1995 and 1994, respectively.
Including these U.S. export sales, the percentages of total revenues attributable to activities
outside the U.S. were 36%, 39% and 37% in 1996, 1995 and 1994, respectively.  Information about the
Company's operations by geographic segment follows:
<CAPTION>
                                                                          Corporate
                                      United                  Other         and
Dollars in thousands                  States     Europe     International Eliminations   Total  
<S>                                   <C>        <C>        <C>           <C>           <C>
1996
Revenue - unaffiliated customers      $256,486   $ 48,692   $ 21,484      $      -      $326,662
Inter-segment transfers                 10,255      1,385      3,002       (14,642)            -
Income from operations                  31,529      5,870      3,260        (2,071)       38,588
Identifiable assets                    281,624     73,505     20,340           212       375,681
1995
Revenue - unaffiliated customers      $206,276   $ 39,824   $ 11,193      $      -      $257,293
Inter-segment transfers                  8,343      1,655      2,935       (12,933)            -
Income from operations                  23,159      6,424      1,467        (1,060)       29,990
Identifiable assets                    235,238     74,161     16,708        (8,937)      317,170
1994
Revenue - unaffiliated customers      $172,864   $ 38,948   $ 10,564      $      -      $222,376
Inter-segment transfers                 11,969      1,606      1,764       (15,339)            -
Income from operations                  16,229      4,679      1,046          (913)       21,041
Identifiable assets                    193,832     53,941     14,664         9,308       271,745

</TABLE>









90


<TABLE>



SELECTED FINANCIAL DATA

STATEMENT OF OPERATIONS DATA
<CAPTION>
Dollars in thousands,
except per share amounts             1996    %       1995     %       1994     %      1993     %        1992     %  
<S>                               <C>              <C>              <C>             <C>               <C>
Revenues                          $326,662  100.0  $257,293 100.0   $222,376 100.0  $175,273 100.0    $155,240 100.0
Income before income taxes          39,556   12.1    31,609  12.3     22,717  10.2    19,724  11.3      18,184  11.7
Net income                          26,503    8.1    21,025   8.2     15,448   6.9    13,807   7.9      12,820   8.3
Earnings per share                    1.65             1.39             1.09             .98               .93
</TABLE>
<TABLE>
<CAPTION>
BALANCE SHEET DATA
Dollars in thousands                1996            1995             1994            1993              1992    
<S>                               <C>              <C>              <C>             <C>               <C>
Current assets                    $144,422         $122,387         $113,477        $109,957          $108,757
Current liabilities                 68,173           60,279           54,877          46,082            30,499
Working capital                     76,249           62,108           58,600          63,875            78,258
Total assets                       378,589          322,044          277,164         249,562           224,590
Long-term debt and notes
  payable                            2,132              182               99             109               439
Stockholders' equity               292,217          253,044          218,610         200,081           190,340

</TABLE>




91


<TABLE>
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)
<CAPTION>
Dollars in thousands,                             Earnings                                                     Earnings
except per                       Gross        Net      per                                    Gross        Net      per
share amounts      Revenues     Profit     Income    Share                      Revenues     Profit     Income    Share
<S>                <C>        <C>        <C>      <C>         <C>               <C>        <C>        <C>      <C>
1996                                                          1995
First Quarter      $ 77,843   $ 25,111   $  6,085  $  .38     First Quarter     $ 58,533   $ 19,207   $  4,390  $  .30
Second Quarter       74,902     25,972      6,440     .40     Second Quarter      58,611     19,988      4,918     .33
Third Quarter        84,511     27,355      6,853     .43     Third Quarter       65,184     21,083      5,669     .37
Fourth Quarter       89,406     28,376      7,125     .44     Fourth Quarter      74,965     24,015      6,048     .39
                   $326,662   $106,814   $ 26,503  $ 1.65                       $257,293   $ 84,293   $ 21,025  $ 1.39
</TABLE>
<TABLE>
COMMON STOCK PRICE RANGE
<CAPTION>

1996                  High      Low                1995                     High       Low  
<S>                <C>        <C>                  <C>                    <C>      <C>

First Quarter      $43 1/2    $38 1/8              First Quarter          $30 1/2   $26 1/4
Second Quarter      51 1/4     40 1/2              Second Quarter          34 3/4    26 5/8
Third Quarter       47 7/8     40                  Third Quarter           42        33 5/8
Fourth Quarter      50         45 1/2              Fourth Quarter          45 1/2    39 5/8


</TABLE>










92



<TABLE>
<CAPTION>
BOARD OF DIRECTORS      CORPORATE OFFICERS        PRINCIPAL OVERSEAS          CORPORATE
                                                  OFFICES, AFFILIATES         HEADQUARTERS
                                                  & SUBSIDIARIES
<S>                     <C>                       <C>                         <C>
ARTHUR L. GOLDSTEIN *   ARTHUR L. GOLDSTEIN       
Chairman of the Board,  Chairman of the Board,                                Ionics, Incorporated
President and           President and             Eau et Industrie            65 Grove Street,
Chief Executive Officer Chief Executive Officer   Paris, France               Watertown,
Ionics, Incorporated                                                          Massachusetts 02172
                        WILLIAM E. KATZ           Elite Chemicals Pty. Ltd.   
DOUGLAS R. BROWN #      Executive Vice President  Brisbane, Qld. Australia    INVESTOR INFORMATION
President and Chief                               
Executive Officer,      ROBERT J. HALLIDAY        Global Water Services,S.A.  The Annual Meeting of
Advent International    Vice President, Finance   Panama City, Panama         Ionics' shareholders
Corp.                   and Accounting and                                    will be held
                        Chief Financial Officer   Ionics (Bermuda) Ltd.       Thursday, May 8, 1997
WILLIAM L. BROWN #                                Hamilton, Bermuda           at 2:00 P.M. at
Retired Chairman of the STEPHEN KORN                                          BankBoston,
Board, The First        Vice President,           Ionics Iberica, S.A.        100 Federal Street,
National Bank of        General Counsel and       Grand Canary Spain          Boston, Massachusetts
Boston                  Clerk                     
                                                  Ionics, Incorporated        Ionics' common stock is
ARNAUD DE VITRY         THEODORE G. PAPASTAVROS   Hong Kong                   traded on the New York
D'AVAUCOURT #           Vice President,                                       Stock Exchange under the
Engineering Consultant  Strategic Planning and    Ionics Italba, S.p.A.       symbol ION.  As of 
and Director of Various Treasurer                 Milan, Italy                March 21, 1997 there
Organizations                                                                 were approximately 1,800
                        PRINCIPAL U.S.            Ionic Nederland, B.V.       shareholders of record.
WILLIAM E. KATZ         OFFICES, AFFILIATES       Maastricht the Netherlands  No cash dividends were 
Executive Vice          & SUBSIDIARIES                                        paid in either 1996 or
President                                         Ionics (UK) Ltd.            1995 pursuant to Ionics'
Ionics, Incorporated    Aqua Cool Pure Bottled    London, England             current policy to retain
                        Watertown, Massachusetts                              earnings for use in its
ROBERT B. LUICK                                                               business.
Of Counsel, Sullivan    Elite New England
and Worcester,          Ludlow, Massachusetts     Aqua Cool Kuwait
Attorneys                                         Kuwait City, Kuwait         For information or 
                        General Ionics                                        assistance regarding
JOHN J. SHIELDS *+      Cuyahoga Falls, Ohio      Aqua Cool Saudi Arabia      individual stock
President and Chief                               Dammam, Saudi Arabia        records, transactions or
Executive Officer,      Ionics Ahlfinger Water                                certificates, please
King's Point Holdings   Dallas, Texas             Ionics-Mega s.r.o.          call the Transfer
Incorporated                                      Prague, Czech Republic      Agent's Telephone
                        Ionics Apollo Ultrapure                               Response Center: 
CARL S. SLOANE *+       Pico Rivera, California   Jalal-Ionics, Ltd.          1-800-426-5523 between
Ernest L. Arbuckle                                Manama, Bahrain             9 A.M. and 5 P.M.
Professor of Business   Ionics Aqua Design                                    
Administration,         Campbell, California      Yuasa-Ionics Co., Ltd.      Ionics' Annual Report on
Harvard University                                Tokyo, Japan                Form 10-K and other 
Graduate School of      Ionics, Incorporated                                  corporate information
Business Administration Bridgeville, Pennsylvania                             may be obtained on

93


                                                                              Ionics' home page on the
MARK S. WRIGHTON +      Ionics Pure Solutions                                 Worldwide Web at 
Chancellor              Phoenix, Arizona                                      http://www.ionics.com
Washington University                                                         
                        Ionics Resources Conservation                         A copy of Ionics' Annual
ALLEN S. WYETT +        Bellevue, Washington                                  Report on Form 10-K,
President, Wyett                                                              which is filed with the
Consulting Group, Inc.                                                        Securities and Exchange
                                                                              Commission, will be sent
                        Ionics Separation Technology                          to any shareholder upon
                        St. Paul, Minnesota                                   request directed to
                                                                              Investor Relations, 
                        Ionics Sievers Instruments                            Ionics, Incorporated,
                        Boulder, Colorado                                     P.O. Box 9131,
                                                                              Watertown, Massachusetts
                        Ionics Ultrapure Water                                02272-9131, or by
                        Campbell, CA                                          calling (617)926-2510
                                                                              ext. 874.
                                                                              

                                                                              TRANSFER AGENT
                                                                              & REGISTRAR

                                                                              State Street Bank and
                                                                              Trust Company, Boston,
                                                                              Massachusetts

                                                                              AUDITORS

                                                                              Coopers & Lybrand L.L.P.
                                                                              Boston, Massachusetts





*  Member of Executive Committee
#  Member of Audit Committee
+  Member of Compensation Committee

Covering the Waterfront, The Ionics Toolbox, and Ten-Cylinder Engine are service marks; Aqua Cool,
Cloromat, Chemomat, Electromat, Elite, and HYgene are registered trademarks; and Ultrapure and
SuperValue are trademarks of Ionics, Incorporated.

</TABLE>



94


                                 EXHIBIT 21
                            IONICS, INCORPORATED

                       SUBSIDIARIES OF THE REGISTRANT

                                                 

                                             State or Other Jurisdiction
        Name                                       of Incorporation     


Ionics Foreign Sales Corporation Limited             Jamaica

Global Water Services, S.A.                          Panama

Ionics Italba, S.p.A.                                Italy

Ionics Iberica, S.A.                                 Spain

Ionics Nederland B.V.                                The Netherlands

Ionics Ultrapure Water Corporation                   California

Ionics Securities Corporation                        Massachusetts

Ionics (U.K.) Limited                                United Kingdom

Ionics (Bermuda) Ltd.*                               Bermuda

Elite Chemicals Pty. Ltd.                            Australia

Eau et Industrie                                     France

Resources Conservation Co. International             Delaware

Apollo Ultrapure Water Systems, Inc.                 California

Aqua Design, Inc.*                                   California

Separation Technology, Inc.**                        Minnesota

Ionics (Korea) Ltd.                                  Delaware

Sievers Instruments, Inc.                            Colorado

*   The Registrant, either directly, through Aqua Design, Inc. or
    through Ionics (Bermuda) Ltd., wholly owns nine subsidiary
    corporations incorporated in various Caribbean jurisdictions.
    These subsidiary corporations own and operate, or operate and
    maintain, desalination plants for the supply of potable water
    to resorts, hotels and municipalities.

**  Owns a U.K. subsidiary, SeparaTech Limited.


95






                              EXHIBIT 23.1
                   CONSENT OF INDEPENDENT ACCOUNTANTS




    We consent to the incorporation by reference in the registration
statements for the Ionics 1979 Stock Option Plan on Form S-8 (registration
nos. 333-05225, 33-54293, 33-41598, 33-5814, 33-14194, 2-64255, 2-72936
and 2-82780); in the registration statement for the Ionics Section 401(k)
Stock Savings Plan on Form S-8 (registration no. 33-2092); in the
registration statement for the Ionics 1994 Restricted Stock Plan (No. 33-
59051); and in the registration statement for the Ionics 1986 Stock Option
Plan for Non-Employee Directors (registration no. 33-54400), of our
reports dated February 18, 1997, on our audits of the consolidated
financial statements and the financial statement schedule of Ionics,
Incorporated as of December 31, 1996 and 1995 and for each of the three
years in the period ended December 31, 1996, which are included or
incorporated by reference in this Annual Report on Form 10-K.




                                             /s/COOPERS & LYBRAND L.L.P.



Boston, Massachusetts
March 27, 1997

















96





                             EXHIBIT 24

                          POWER OF ATTORNEY

    We, the undersigned officers and directors of Ionics, Incorporated (the
"Company"), hereby severally constitute Arthur L. Goldstein and Stephen
Korn, and each of them, to sign for us, and in our names in the capacities
indicated below, the Annual Report on Form 10-K of the Company for the
fiscal year ended December 31, 1996, and any and all amendments to such
Annual Report, hereby ratifying and confirming our signatures as they may be
signed by our attorneys to such Annual Report and any and all amendments
thereto.

    Witness our hands on the respective dates set forth below.

     Signature                      Title                    Date


/s/Douglas R. Brown                 Director               March 27, 1997
Douglas R. Brown

/s/William L. Brown                 Director               March 27, 1997 
William L. Brown

/s/Arnaud de Vitry d'Avaucourt      Director               March 27, 1997 
Arnaud de Vitry
   d'Avaucourt

/s/Arthur L. Goldstein              Chairman of the Board  March 27, 1997 
Arthur L. Goldstein                 of Directors, Chief
                                    Executive Officer and  
                                    President (Principal
                                    Executive Officer)

/s/William E. Katz                  Director               March 27, 1997 
William E. Katz

/s/Robert B. Luick                  Director               March 27, 1997 
Robert B. Luick

/s/John J. Shields                  Director               March 27, 1997 
John J. Shields

/s/Carl S. Sloane                   Director               March 27, 1997 
Carl S. Sloane

/s/Mark S. Wrighton                 Director               March 27, 1997 
Mark S. Wrighton

/s/Allen S. Wyett                   Director               March 27, 1997 
Allen S. Wyett

97


<TABLE> <S> <C>

<ARTICLE>          5
<MULTIPLIER>       1,000
       
<S>                          <C>
<PERIOD-TYPE>                YEAR
<FISCAL-YEAR-END>                      DEC-31-1996
<PERIOD-END>                           DEC-31-1996
<CASH>                                      12,269
<SECURITIES>                                     0
<RECEIVABLES>                               93,659
<ALLOWANCES>                                (2,267)
<INVENTORY>                                 26,000
<CURRENT-ASSETS>                           144,422
<PP&E>                                     306,670
<DEPRECIATION>                            (120,853)
<TOTAL-ASSETS>                             378,589
<CURRENT-LIABILITIES>                       68,173
<BONDS>                                          0
<COMMON>                                    15,823
                            0
                                      0
<OTHER-SE>                                 276,394
<TOTAL-LIABILITY-AND-EQUITY>               378,589
<SALES>                                    326,662
<TOTAL-REVENUES>                           326,662
<CGS>                                      219,848
<TOTAL-COSTS>                              219,848
<OTHER-EXPENSES>                                 0
<LOSS-PROVISION>                             1,011
<INTEREST-EXPENSE>                               0
<INCOME-PRETAX>                             39,115
<INCOME-TAX>                                13,053
<INCOME-CONTINUING>                         26,503
<DISCONTINUED>                                   0
<EXTRAORDINARY>                                  0
<CHANGES>                                        0
<NET-INCOME>                                26,503
<EPS-PRIMARY>                                 1.65
<EPS-DILUTED>                                 1.64

           
















</TABLE>


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