DUN & BRADSTREET CORP
10-K/A, 1995-06-29
ENGINEERING, ACCOUNTING, RESEARCH, MANAGEMENT
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              SECURITIES AND EXCHANGE COMMISSION
                   WASHINGTON, D.C. 20549
       
                              
                         FORM 10-K/A
                       AMENDMENT NO. 1
                              
(Mark One)
   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, 1994
                                or
        Transition Report Pursuant to Section 13 or 15(d)
        of the Securities Exchange Act of 1934 [No Fee Required]
        For the Transition Period From        to                      .
                    Commission file number 1-7155.



              The Dun & Bradstreet Corporation
   (Exact name of registrant as specified in its charter)
                              
                              
                              
                              
           Delaware                       13-2740040
   (State of incorporation)     (I.R.S. Employer Identification No.)
                                               
                                               
   187 Danbury Road, Wilton, Connecticut               06897
    (Address of principal executive offices)        (Zip Code)




  Registrant's telephone number, including area code: (203) 834-4200.

<PAGE>

The undersigned registrant hereby amends its Annual Report on Form 10-K, for
the year ended December 31, 1994 by amending the Index to Exhibits to add new
exhibits 99a and 99b as described below and by filing such new exhibits:

Exhibit 99a - Form 11-K Annual Report for the fiscal year ended December 31,
              1994 of the Profit Participation Plan of The Dun & Bradstreet
              Corporation.

Exhibit 99b - Form 11-K Annual Report for the fiscal year ended December 31,
              1994 of the DonTech Profit Participation Plan.

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this amendment to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                      THE DUN & BRADSTREET CORPORATION
                                                (Registrant)


                                By:
                                     __________________________________
                                           Edwin A. Bescherer, Jr.
                                      Executive Vice President-Finance
                                         and Chief Financial Officer



Date: June 21, 1995
                              
<PAGE>                              
INDEX TO EXHIBITS
                              

Regulation S-K                                                     Exhibit to
Exhibit Number                                                     this Report
(3)  Articles of Incorporation and By-laws.          
   (a) Restated Certificate of Incorporation of The Dun &
       Bradstreet Corporation dated June 15, 1988 (incorporated
       herein by reference to Exhibit 4(a) to Registrant's
       Registration No. 33-25774 on Form S-8 filed November 25,
       1988).
   (b) By-laws of Registrant dated December 15, 1993 (incorporated
       herein by reference to Exhibit E to Registrant's Annual
       Report on Form 10-K for the year ended December 31, 1993,
       file number 1-7155, filed March 25, 1994).
(4)  Instruments Defining the Rights of Security Holders, Including
     Indentures.
     Not Applicable.
(9)  Voting Trust Agreement.                         
     Not Applicable.
(10) Material Contracts. (All of the following documents, except
     for items (u) and (v), are management contracts or compensatory
     plans or arrangements required to be filed pursuant to Item
     14(c).)
   (a) Retirement Plan for Directors of Registrant, as amended
       December, 21, 1994..........................................Exhibit E*
   (b) Nonfunded Deferred Compensation Plan for Non-Employee Directors
       of Registrant, as amended April 21, 1993 (incorporated herein
       by reference to Exhibit F to Registrant's Annual Report on Form
       10-K for the year ended December 31, 1993, file number 1-7155,
       filed March 25, 1994).
   (c) Pension Benefit Equalization Plan, as amended December 21,
       1994........................................................Exhibit F*
   (d) Profit Participation Benefit Equalization Plan adopted
       October 17, 1990 (incorporated herein by reference to
       Exhibit H to Registrant's Annual Report on Form 10-K for
       the year ended December 31, 1990, file number 1-7155, filed
       March 27, 1991).
   (e) 1982 Key Employees Stock Option Plan for Registrant and
       Subsidiaries, as amended July 17, 1991 (incorporated herein
       by reference to Exhibit E to Registrant's Annual Report on
       Form 10-K for the year ended December 31, 1991, file number
       1-7155, filed March 26, 1992)
   (f) 1991 Key Employees Stock Option Plan for Registrant and
       Subsidiaries, adopted April 16, 1991 (incorporated herein
       by reference to Exhibit 28(a) to Registrant's Registration
       No. 33-44551 on Form S-8, filed December 18, 1991).
   (g) Ten-Year Incentive Stock Option Agreement (incorporated
       herein by reference to Exhibit 28(b) to Registrant's
       Registration No. 33-44551 on Form S-8, filed December 18, 1991).
   (h) Ten-Year Non-Qualified Stock Option Agreement (incorporated
       herein by reference to Exhibit 28(c) to Registrant's
       Registration No. 33-44551 on Form S-8, filed December 18, 1991).
   (i) Stock Appreciation Rights Agreement relating to Incentive
       Stock Options (incorporated herein by reference to Exhibit
       28(d) to Registrant's Registration No. 33-44551 on Form S-8,
       filed December 18, 1991).
   (j) Stock Appreciation Rights Agreement relating to Non-Qualified
       Stock Options (incorporated herein by reference to Exhibit 28(e)
       to Registrant's Registration No. 33-44551 on Form S-8, filed
       December 18, 1991).
   (k) Limited Stock Appreciation Rights Agreement relating to
       Incentive Stock Options (incorporated herein by reference
       to Exhibit 28(f) to Registrant's Registration No. 33-44551
       on Form S-8, filed December 18, 1991).

<PAGE>

Regulation S-K                                                     Exhibit to
Exhibit Number                                                     this Report
                                                         
   (l) Limited Stock Appreciation Rights Agreement relating to
       Non-Qualified Stock Options (incorporated herein by
       reference to Exhibit 28(g) to Registrant's Registration
       No. 33-44551 on Form S-8, filed December 18, 1991).
   (m) 1982 Key Employees Performance Unit Plan for Registrant
       and Subsidiaries, as amended December 18, 1991
      (incorporated herein by reference to Exhibit F to
       Registrant's Annual Report on Form 10-K for the year ended
       December 31, 1991, file number 1-7155, filed March 26, 1992).
   (n) Corporate Management Incentive Plan, effective January 1,
       1990 (incorporated herein by reference to Exhibit J to
       Registrant's Annual Report on Form 10-K for the year ended
       December 31, 1989, file number 1-7155, filed March 26, 1990).
   (o) 1989 Key Employees Restricted Stock Plan for Registrant and
       Subsidiaries, as amended July 19, 1989 (incorporated herein
       by reference to Exhibit K to Registrant's Annual Report on
       Form 10-K for the year ended December 31, 1989, file number
       1-7155, filed March 26, 1990).
   (p) Restricted Stock Agreement (incorporated herein by reference
       to Exhibit L to Registrant's Annual Report on Form 10-K for
       the year ended December 31, 1989, file number 1-7155, filed
       March 26, 1990).
   (q) Performance-Based Restricted Stock Agreement (incorporated
       herein by reference to Exhibit G to Registrant's Annual
       Report on Form 10-K for the year ended December 31, 1993,
       file number 1-7155, filed March 25, 1994).
   (r) Form of Change-in-Control Severance Agreement, approved
       July 19, 1989 (incorporated herein by reference to Exhibit
       M to Registrant's Annual Report on Form 10-K for the year
       ended December 31, 1989, file number 1-7155, filed March
       26, 1990).
   (s) Supplemental Executive Benefit Plan, as amended December 21,
       21, 1994....................................................Exhibit G*
   (t) IMS International, Inc. Long-Term Incentive Compensation
       Plan, as amended April 19, 1991 (incorporated herein by
       reference to Exhibit F to Registrant's Annual Report on
       Form 10-K for the year ended December 31, 1992, file
       number 1-7155, filed March 25, 1993).
   (u) Agreement of Limited Partnership of D&B Investors L.P.,
       dated as of October 14, 1993 (incorporated herein by
       reference to Exhibit H to Registrant's Annual Report
       on Form 10-K for the year ended December 31, 1993, file
       number 1-7155, filed March 25, 1994).
   (v) Purchase Agreement and Purchase Agreement Amendment dated
       October 14, 1993 among D&B Investors L.P. and other parties
      (incorporated herein by reference to Exhibit I to Registrant's
       Annual Report on Form 10-K for the year ended December 31,
       1993, file number 1-7155, filed March 25, 1994).
   (w) Consulting Agreement, dated March 6, 1995, between Registrant
       and Charles W. Moritz.......................................Exhibit H*
(11) Statement Re Computation of Per Share Earnings.        
     Computation of Earnings Per Share of Common Stock on a
     Fully Diluted Basis...........................................Exhibit A*

<PAGE>

Regulation S-K                                                    Exhibit to
Exhibit Number                                                    this Report
(12) Statement Re Computation of Ratios.             
     Not applicable.
(13) Annual Report to Security Holders.              
     1994 Annual Report............................................Exhibit D*
(18) Letter Re Change in Accounting Principles.      
     Not applicable.
(19) Previously Unfiled Documents.                   
     Not applicable
(21) Subsidiaries of the Registrant.                 
     List of Active Subsidiaries as of January 31, 1995............Exhibit B*
(22) Published Report Regarding Matters Submitted to a Vote
     of Security Holders.
     Not applicable.
(23) Consents of Experts and Counsel.                
     Consent of Independent Public Accountants.....................Exhibit C*
(24) Power of Attorney.                              
     Not applicable.
(28) Information from Reports Furnished to State Insurance
     Regulatory Authorities.
     Not applicable.
(99) Additional Exhibits                               
    (a) Form 11-K Annual Report for the fiscal year ended
        December 31, 1994 of the Profit Participation Plan of 
        The Dun & Bradstreet Corporation........................Exhibit 99(a)
    (b) Form 11-K Annual Report for the fiscal year ended
        December 31, 1994 of the DonTech Profit Participation
        Plan....................................................Exhibit 99(b)



* Filed with Form 10-K on March 27, 1995; not included with this amendment.

<PAGE>

                        Exhibit 99(a)

<PAGE>
                              
             SECURITIES AND EXCHANGE COMMISSION
                   Washington, D.C. 20549
                              
                              
                          Form 11-K
                              
                              
                              
                              
                              
                              
[X]  ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT
     OF 1934 [FEE REQUIRED]

For the fiscal year ended December 31, 1994


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

For the transition period from _________________to_________________

Commission file number 1-7155


A.  Full title of the plan and the address of the plan, if different from
    that of the issuer named below:

    Profit Participation Plan of The Dun & Bradstreet Corporation.

B.  Name of issuer of the securities held pursuant to the plan and the
    address of its principal executive office:

    The Dun & Bradstreet Corporation, 187 Danbury Road, Wilton, CT 06897.


                    REQUIRED INFORMATION

   The required financial statements are attached to this report.

<PAGE>
                         SIGNATURES
                              
Pursuant to the requirements of the Securities Exchange Act of 1934, the
Employee Benefits Committee of The Dun & Bradstreet Corporation has duly
caused this annual report to be signed on its behalf by the undersigned
hereunto duly authorized.

 
                                PROFIT PARTICIPATION PLAN OF
                               THE DUN & BRADSTREET CORPORATION
                                        (Name of Plan)



                              BY:
                                 __________________________________
                                 Thomas W. Young
                                 Senior Vice President & Controller



Date:  June 21, 1995

                              1
<PAGE>

             CONSENT OF INDEPENDENT ACCOUNTANTS
                              
We  consent  to  the  incorporation by  reference  in  Post- Effective
Amendment No. 4 to the registration statement of The Dun & Bradstreet
Corporation on Form S-8 (File No. 33-27144) of our report dated June 20, 1995
on our audits of the financial statements of the Profit Participation Plan of
The Dun & Bradstreet Corporation as of December 31, 1994 and 1993  and for
the year ended December 31, 1994, which report is included in this annual
report on Form 11-K.



                              Coopers & Lybrand L.L.P


New York, New York
June 21, 1995


                              2
<PAGE>

                PROFIT PARTICIPATION PLAN OF
              THE DUN & BRADSTREET CORPORATION
                              
                INDEX TO FINANCIAL STATEMENTS
                              
                              
                                                                Pages F-

Report of Independent Accountants                                       2
Statements of Net Assets Available for Plan Benefits as of
  December 31, 1994 and 1993                                          3-4
Statement of Changes in Net Assets Available for Plan
  Benefits for the year Ended December 31, 1994                         5
Notes to the Financial Statements                                    6-11


                         
                              
                             F-1

<PAGE>
                      _________________
                              
              REPORT OF INDEPENDENT ACCOUNTANTS
                              
To the Employee Benefits Committee of The Board of Directors of THE
DUN & BRADSTREET CORPORATION:

   We have audited the accompanying statements of net assets available for
plan benefits of the PROFIT PARTICIPATION PLAN of THE DUN & BRADSTREET
CORPORATION (the "Plan") as of December 31, 1994 and 1993, and the related
statement of changes in net assets available for plan benefits for the year
ended December 31, 1994.  These financial statements are the responsibility
of the Plan'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 net assets available for plan benefits of the
Plan as of December 31, 1994 and 1993, and the statement of changes in its
net assets available for plan benefits for the year ended December 31, 1994
in conformity with generally accepted accounting principles.

   Our audits were performed for the purpose of forming an opinion on the
basic financial statements taken as a  whole.  The fund information in the
statement of net assets available for plan benefits as of December 31, 1994
and 1993 and the statement of changes in net assets available for plan
benefits for the year ended December 31, 1994 ispresented for purposes of
additional analysis rather than to present the net assets available for plan
benefits and changes in net assets available for plan benefits of each fund.
The Fund Information has been subjected to the auditing  procedures applied
in the audits of the basic financial statements and, in our opinion, is
fairly stated in all material respects in relation to the basic financial
statements taken as a whole.

                                   Coopers & Lybrand L.L.P


New York, New York
June 20, 1995




                             F-2
<PAGE>

               PROFIT PARTICIPATION PLAN OF THE
                  DUN & BRADSTREET CORPORATION
  STATEMENT OF NET ASSETS AVAILABLE FOR PLAN BENEFITS, WITH
                            FUND
                         INFORMATION
                      December 31, 1994
                   (Dollars in Thousands)
                                                                    
                                                                    
                                           FUND INFORMATION
                                                                    
                                          Dun &                      
                                        Bradstreet   Special   Long Term
                                Equity    Common      Fixed      Bond     
                                Index     Stock      Income     Index     Loan
                     Total      Fund      Fund        Fund       Fund   Account

     ASSETS

Investment in Group
  Trust, at fair 
        value        $814,432   209,220    123,519    412,084    41,505  28,104 

Accrued interest 
  receivable on
  particpant loans        105        33         24         40         8       0

Interfund receivable
    (payable)               0      (539)    (1,150)     3,417    (1,728)      0

Contributions receivable:
   from employer        8,854     3,027      1,678      3,517       632       0
   from participant     3,255     1,108        750      1,193       204       0

    Total assets      826,646   212,849    124,821    420,251    40,621  28,104

Net assets available
   for plan benefits $826,646  $212,849   $124,821   $420,251   $40,621 $28,104
                                                              
                                                                    
                                                                    
                                                                    
         The net assets are an integral part of the financial statements
   
                              
 
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                             F-3
<PAGE>
      
              PROFIT PARTICIPATION PLAN OF THE
                  DUN & BRADSTREET CORPORATION
  STATEMENT OF NET ASSETS AVAILABL FOR PLAN BENEFITS, WITH
                            FUND
                         INFORMATION
                      December 31, 1993
                   (Dollars in Thousands)
                                                              
                                                              
                                       FUND INFORMATION
                                                              
                                         Dun &
                                       Bradstreet   Special     Long
                                Equity   Common      Fixed      Bond    
                                Index     Stock     Income     Index      Loan
                       Total    Fund      Fund       Fund       Fund     Account
     ASSETS
                                                              
Investments in Group
 Trust, at fair value $764,965  $188,142  $133,624  $374,507  $43,716  $24,976
                                                                              
Accrued interest 
 receivable on
 particpant loans          180        53        46        69       12        0
                                                               
Interfund receivable
 (payable)                   0       (67)      362       280      (15)       0
                                                              
Contributions receivable:
 from employer           7,245     2,349     1,498     2,804      594        0
 from particpants        1,510       416       603       405       86        0
                                                              
Total assets           773,900   190,893   136,133   377,505   44,393   24,976
                                                           
Net assets available
 for plan benefits    $773,900  $190,893  $136,133  $377,505  $44,393  $24,976

                                                              
                                                              
                                                              
      The accompanying notes are an integral part of the financial statements
                              
                              
                              
                              
                              
                              
                          
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                          
                           
                              
                              F-4
<PAGE>
   
                  PROFIT PARTICIPATION PLAN OF THE
                    DUN & BRADSTREET CORPORATION
      STATEMENT OF NET ASSETS AVAILABLE FOR PLAN BENEFITS, WITH
                            FUND
                         INFORMATION
                      December 31, 1994
                   (Dollars in Thousands)
                                                              
                                                              
                                                             
                                       FUND INFORMATION
                                                              
                                           Dun &                   
                                        Bradstreet  Special   Long Term
                                Equity    Common     Fixed      Bond   
                                Index     Stock     Income     Index      Loan
                       Total     Fund     Fund       Fund       Fund    Account
                                                            
Allocated income in
 Group Trust         $20,661    3,107    (8,973)    26,064    (1,290)     1,753
                                                             
Accrued interest 
 income on particpant
 loans                   105       33        24         40         8          0
                                                              
Contribuitons received:
 from employer        28,607    9,935     5,523     10,830     2,319          0
 from participants    62,305   22,090    11,727     23,077     5,411          0
                                                     
Participant loan
 repayments                0    3,060     2,493      4,210       687    (10,450)
                                                           
Distributions to
 participants        (72,414) (19,727)  (13,200)   (34,660)   (4,827)         0
                                                              
Loans to particpants    (503)  (3,730)   (2,727)    (5,030)     (840)    11,824
                                                              
Transfer from IDC
 Savings Plan 
      (Note 2)        13,984    7,512     1,113      3,968     1,391          0
                                                  
Interfund transfers        0     (325)   (7,292)    14,248    (6,631)         0
                                                   
Net increase (decrease)
 for the year         52,745   21,955   (11,312)    42,747    (3,772)     3,127
                                                              
Net assets available
 for plan benefits, 
 as of January 1,
      1994           773,901  190,894   136,133    377,504    44,393     24,977
                                                              
Net assets available
 for plan benefits,
 as of December 31,
      1994          $826,646 $212,849  $124,821   $420,251   $40,621    $28,104

                                                            
                                                              
                                                              
    The accompanying notes are an integral part of the financial statements

                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                             F-5

<PAGE>
                PROFIT PARTICIPATION PLAN OF
              THE DUN & BRADSTREET CORPORATION
                              
                NOTES TO FINANCIAL STATEMENTS
                              
                              
Note 1.  Summary of Significant Accounting Policies

Master   Trust    The  Dun  &  Bradstreet  Corporation   and
affiliated  participating  companies  (the  "Company")   has
established with Bankers Trust Company (the "Trustee"),  The
Dun  & Bradstreet Defined Contribution Plan Group Trust (the
"Group  Trust"), a master trust.  The assets of  the  Profit
Participation Plan of The Dun & Bradstreet Corporation  (the
"Plan")  are  commingled for investment  purposes  with  the
assets of the DonTech Profit Participation Plan.  The Plan's
investment  in  the  Group Trust is based  on  its  relative
interest  in the fair value of the assets held in the  Group
Trust.   Investment  income, gains and losses  on  sales  of
investments  and net appreciation/depreciation in  the  fair
value  of  investments are allocated to the Plan based  upon
its  relative investment balances at fair value, during  the
valuation period.

Contributions  Contributions by participants ("members") are
recorded   in  the  period  payroll  deductions  are   made.
Contributions  by  participating companies  are  based  upon
amounts  required to be funded under the provisions  of  the
Plan.

Distributions   In  1994, distributions  are  recorded  when
paid.   In  accordance with guidance issued by the  American
Institute of Certified Public Accountants in 1993, the  Plan
changed its method of accounting for distributions such that
all  amounts  elected to be distributed  from  the  Plan  by
participants,  but  not yet disbursed at  year-end,  are  no
longer  recorded  as  a liability in the  statement  of  net
assets available for plan benefits.

Liabilities  of $20,443,431 and $13,227,000  for  the  years
ended  December 31, 1994 and December 31, 1993 respectively,
relating  to participants who have elected to withdraw  from
the Plan but have not yet been paid, have been reflected  on
the  Form  5500's.  The difference between distributions  to
participants  reported in the statement of  changes  in  net
assets available for plan benefits and the Form 5500 for the
year ended December 31, 1994 amounted to $7,216,431.

Note 2.  Plan Description

The following summary of major Plan provisions in effect for
the  Plan  year is provided for general information purposes
only.   Members should refer to the Plan document  for  more
complete information.

        
                              
                             F-6
<PAGE>

                PROFIT PARTICIPATION PLAN OF
              THE DUN & BRADSTREET CORPORATION
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              
Note 2.  Plan Description (Cont.)

The  Plan  is a defined contribution plan and is subject  to
the  provisions  of the Employee Retirement Income  Security
Act  of  1974  (ERISA).  Associates of The Dun &  Bradstreet
Corporation and affiliated companies that have been admitted
to  participate in the Plan ("participating companies")  who
work  at  least  one thousand hours during  the  consecutive
twelve-month period following employment, or in any calendar
year thereafter, are eligible to participate in the Plan  on
the following January 1 or July 1

Members  contribute to the basic Plan by authorizing payroll
deductions equal to 2%, 3%, 4%, 5% or 6% of their creditable
compensation   as   defined  in  the  Plan.    Participating
companies make matching contributions equal to a minimum  of
50%  of  aggregate  member contributions.   If  the  average
increase  in earnings per share ("EPS"), as defined  in  the
Plan,  of  common stock of The Dun & Bradstreet  Corporation
for any Plan year and the immediately preceding Plan year is
greater  than  5%,  participating  companies  contribute  an
additional percentage of the aggregate member contributions.
The  percentage of additional Company matching contributions
depends on the average increase in EPS and a member's  total
years of service.

Members  also may make additional contributions  (which  are
not  eligible for company matching contributions)  under  an
Investment Plan addendum to the basic Plan.

Members  are not permitted to invest more than 50% of  their
account  balance  or contributions in the Dun  &  Bradstreet
Common  Stock  Fund,  nor are they permitted  to  specify  a
dollar amount to be transferred into this fund.  Members are
able   to  reallocate  their  entire  account  balances   in
multiples  of  10%  among the Plan's four investment  funds,
subject  to the 50% maximum for the Dun & Bradstreet  Common
Stock Fund.

Members'  contributions under the basic Plan and  additional
contributions under the Investment Plan may be made  in  the
form   of  contributions  from  after  tax  earnings  and/or
contributions  from  before tax  earnings,  which  have  the
effect  of  reducing  current taxable earnings  for  federal
income  tax  purposes.   A  member's  aggregate  before  tax
contributions may not exceed 16% of the member's  creditable
compensation (up to 6% in before tax contributions under the
basic  Plan and up to 10% in before tax contributions  under
the  Investment Plan) subject to an overall limit on  before
tax contributions imposed by the Internal Revenue Code.  For
1994,  the  Internal  Revenue  Code  limit  on  before   tax
contribution was $9,240.

To  comply with certain provisions of the Tax Reform Act  of
1986   (the   "Act"),  the  Plan  limits   maximum   covered
compensation  as defined by the Secretary of  the  Treasury.
The maximum covered compensation for purposes of determining
member and Company contributions under the Plan for 1994 was
$150,000.   Additionally, the Plan  provides  for  graduated
vesting  in the value of company contributions to a member's
Plan  account  over  a  six  year period  beginning  on  the
member's initial employment date with the Company.


                             F-7
<PAGE>                              
                PROFIT PARTICIPATION PLAN OF
              THE DUN & BRADSTREET CORPORATION
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              

Note 2.  Plan Description (Cont.)

Upon  termination  of service with participating  companies,
members become eligible for a lump sum distribution  of  the
vested  portion  of  their  account  balance.   Retired  and
terminated members who have an account balance in excess  of
$3,500 may elect various forms of deferred distribution.

Members may obtain loans from the Plan, which are secured by
the  vested balance in their accounts.  The Plan limits  the
total number and amount of loans outstanding at any time for
each  member.  Interest rates applicable to Plan  loans  are
commensurate  with prevailing rates of interest  charged  on
similar commercial loans determined in the marketplace.  The
total  number of members with outstanding loans at  December
31, 1994 was 6,184.

Amounts  forfeited by nonvested or partially vested  members
who  terminated  during the year ended  December  31,  1994,
totaled   $1,126,198.   Forfeited  amounts  reduce   company
contributions.

While   the   Company  has  not  expressed  any  intent   to
discontinue its contributions or to terminate the  Plan,  it
is  free  to do so at any time subject to the provisions  of
the  Employee Retirement Income Security Act of 1974 and the
Internal  Revenue Code which state that, in such event,  all
members  of  the Plan shall be fully vested in  the  amounts
credited to their accounts.

On  January  1,  1993,  associates of IMS,  a  wholly  owned
subsidiary  of  The  Dun  &  Bradstreet  Corporation,   were
admitted to participation into the Plan.  On April 3,  1993,
$17,969,000 in assets of the IMS U.S. Investment  &  Savings
Plan,  (a tax qualified defined contribution plan maintained
by  a  predecessor employer) was transferred into the  Plan.
On  January  1,  1994,  associates of IDC,  a  wholly  owned
subsidiary  of  The  Dun  &  Bradstreet  Corporation,   were
admitted  to participation into the Plan.  On July 1,  1994,
$13,984,000  in assets were transferred into the  Plan  from
the IDC Profit Plan.

Note 3.  Investment Funds

Members  of  the Plan can elect to have amounts credited  to
their  Plan  accounts  invested  in  one  or  more  of  four
investment  funds:  an Equity Index Fund, a Dun & Bradstreet
Common  Stock Fund, a Special Fixed Income Fund and  a  Long
Term Bond Index Fund.

Contributions   received  from  members  and   participating
companies are temporarily invested in Bankers Trust  Company
Short  Term  Investment  Fund, pending investment  into  the
funds.  Investments of the Special Fixed Income Fund consist
entirely  of  investment contracts with insurance  companies
which  represents a concentration of credit risk.   However,
the Plan does not anticipate nonperformance by the insurance
companies.

                             F-8
<PAGE>
                PROFIT PARTICIPATION PLAN OF
              THE DUN & BRADSTREET CORPORATION
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              
                              
Note 3.  Investment funds (Cont.)

The   recordkeeper  maintains  individual  account   records
reflecting  each member's interest in the Plan and  in  each
fund  of  the  Plan in which such member invests.   Members'
interests in each fund of the plan are represented  by  cash
value.  For each fund of the Plan, the cash value and number
of participants were as follows:

                                            December 31,
                                        1994           1993

Wells Fargo Equity Index Fund:
   Cash Value                      $207,619,023   $184,790,295
   Number of participants                12,562         12,443
Dun & Bradstreet Common Stock Fund:
   Cash Value                      $121,109,008   $132,273,483
   Number of participants                11,168         11,671
Special Fixed Income Fund:
   Cash Value                      $409,896,535   $368,365,414
   Number of Participants                14,458         14,647
Wells Fargo Long Term Bond Index Fund:
   Cash Value                      $ 39,473,724  $  43,243,588
   Number of participants                 5,003          5,124

The variance between the cash value at December 31, 1994 and
December  31,  1993, and the net assets available  for  plan
benefits at December 31, 1994 and December 31, 1993  is  the
distribution payable amount for each fund.

Note 4.  Tax Status

The  Plan  obtained  its  latest  determination  letter   on
December  16,  1986, in which the Internal  Revenue  Service
stated  that  the Plan, as designed, was in compliance  with
the  applicable requirements of the Internal  Revenue  Code.
The  Plan has been amended since receiving the determination
letter.  However, the Plan administrator and the Plan's  tax
counsel  believe  that  the Plan is currently  designed  and
being   operated   in   compliance   with   the   applicable
requirements of the Internal Revenue Code and that the  Plan
and  the related Trust continue to be qualified as  of   the
financial statement date.


                             F-9
<PAGE>
                PROFIT PARTICIPATION PLAN OF
              THE DUN & BRADSTREET CORPORATION
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              
Note 5.  Investment in Group Trust

The  investment  reflected in the Statement  of  Net  Assets
Available for Plan Benefits represents the Plan's  share  of
total assets in the Group Trust which is 96.5% and 96.4%  at
December  31,  1994 and 1993 respectively.  Assets  at  fair
value  in  the  Group Trust are summarized  as  follows  (in
thousands):
                                                        December 31,
                                                        1994    1993

Wells Fargo Equity Index Fund                      $210,407*   $191,269*
The Dun & Bradstreet Corporation Common Stock       125,308*    139,132*
Ameritech Corporation Common Stock                    1,127         949
Prudential Annuity Contract                          71,168*    111,774*
New York Life Annuity Contract                       42,062*     88,445*
John Hancock Annuity Contract                       119,481*     89,404*
Principal Mutual Annuity Contract                   138,432*     98,200*
MetLife Annuity Contract                             55,371*          0
Wells Fargo Long Term Bond Index Fund                40,011*     43,260*
Loan Account                                         28,739      25,663
Bankers Trust Short Term Investment Fund              9,110       2,866
         Total Investments                         $841,216    $790,962
Accrued interest and dividends                        2,420       2,361
       Total assets in Group Trust                 $843,636    $793,323

* These investments represented 5% or more of the total Plan assets.

The Group Trust's investments had the following income/(loss) during 1994
(in thousands):

Net Appreciation/(Depreciation)

Investments, at fair value as
     determined by quoted market prices:

Wells Fargo Equity Index Fund                                $ ( 2,691)
The Dun & Bradstreet Corporation Common Stock                  (15,201)
Wells Fargo Long Term Bond Index Fund                          ( 4,450)
           Total net appreciation/(depreciation)              $(22,342)


                             F-10

<PAGE>

                PROFIT PARTICIPATION PLAN OF
              THE DUN & BRADSTREET CORPORATION
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              
                              
Note 5.  Investments (Cont.)

Investment Income

Interest                                                     37,929
Dividends                                                     5,961
                Total Investment Income                      43,890

Group Trust Income                                          $21,548

The  Plan's  allocated income in the Group Trust  represents
its  participating share throughout the year ended  December
31, 1994.

Investments in securities are included at fair  value.   The
fair  value  of  investments  is  determined  utilizing  the
applicable  December 31 closing sales prices  as  quoted  in
published financial sources.

Investments  in Bankers Trust Company Short Term  Investment
Fund,  the Wells Fargo Bank Equity Index Fund and the  Wells
Fargo Long Term Bond Index Fund are valued at the applicable
December  31  redemption prices reported by the managers  of
the Funds.

Investments  under  The  Prudential  Insurance  Company   of
America,  New  York  Life Insurance  Company,  John  Hancock
Mutual  Life Insurance Company, Metropolitan Life  Insurance
Company  and  the  Principal Mutual Life  Insurance  Company
investment contracts do not participate directly  in  market
appreciation or depreciation.  Such investments  are  stated
at  contract value which represents the aggregate amount  of
accumulated  contributions into  the  account  and  interest
earned   thereon,   less   accumulated   distributions   and
administrative expenses.

Dividend  income  is  recorded  on  the  ex-dividend   date.
Interest  earned on investments is recorded on  the  accrual
basis.   Purchases and sales of securities are  recorded  on
the trade date.

The net appreciation/(depreciation) in the fair value of the
Group  Trust's  investments consists of realized  gains  and
losses  and  the  unrealized appreciation/(depreciation)  on
those investments for the year.

Note 6.  Plan Expenses

Transaction   and  investment  manager  fees   relating   to
investments  in  the Dun & Bradstreet Common  Stock  Fund  ,
Equity Index Fund, and Long Term Bond Index Fund are charged
against  Plan  assets.  Trustee fees and other  expenses  of
administering the Plan are borne by the Company.


                            F-11
<PAGE>

                        Exhibit 99(b)

<PAGE>

             SECURITIES AND EXCHANGE COMMISSION
                   Washington, D.C. 20549
                              
                              
                          Form 11-K
                              
                              
                              
                              
                              
                              
[X]  ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE
SECURITIES     EXCHANGE ACT OF 1934 [FEE REQUIRED]

For the fiscal year ended December 31, 1994


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

For the transition period from _______________ to_______________


Commission file number 1-7155 (The Dun & Bradstreet Corporation)
                       1-8612 (Ameritech Corporation)


A.  Full title of the plan and the address of the plan, if
    different from that of the issuer named below:

      DonTech Profit Participation Plan, 205 N. Michigan
      Avenue, Chicago, Illinois 60601

B.  Name of issuer of the securities held pursuant to the
    plan and the address of its principal executive office:

     The Dun & Bradstreet Corporation, 187 Danbury Road,
     Wilton, CT 06897; and
     Ameritech Corporation, 30 South Wacker Drive, Chicago,
     Illinois 60606



                    REQUIRED INFORMATION

   The required financial statements are attached to this
                           report.

                          SIGNATURES
                              
Pursuant to the requirements of the Securities Exchange Act
of 1934, the AM/DON general partnership (the administrator
of the DonTech Profit Participation Plan) has duly caused
this annual report to be signed on its behalf by the
undersigned hereunto duly authorized.



                                          DonTech Profit
Participation Plan
                                         (Name of Plan)



                              BY:  _________________________
                                         Reid Simpson
                                   Vice President - Finance &
                                     Chief Financial Officer


Date:  June 21, 1995


                              1
<PAGE>
             CONSENT OF INDEPENDENT ACCOUNTANTS
                              
We  consent  to the incorporation by reference  in  (i)  the
registration statement of Ameritech Corporation on Form  S-8
(File No. 33-49036), and (ii) the registration statement  of
The  Dun & Bradstreet Corporation on Form S-8 (File No.  33-
49060),  of our report dated June 20, 1995 on our audits  of
the financial statements of the DonTech Profit Participation
Plan as of December 31, 1994 and 1993 and for the year ended
December  31, 1994, which report is included in this  annual
report on Form 11-K.


                                Coopers & Lybrand L.L.P.



New York, New York
June 21, 1995


                              2
<PAGE>
              DONTECH PROFIT PARTICIPATION PLAN
                              
                INDEX TO FINANCIAL STATEMENTS
                              
                              
                                                         Pages F-

Report of Independent Accountants                                 2
Statements of Net Assets Available for Plan Benefits as of
  December 31, 1994 and 1993                                    3-4
Statement of Changes in Net Assets Available for Plan
Benefits for the year Ended December 31, 1994                     5
Notes to the Financial Statements                              6-11

               
                              
                              
                             F-1
<PAGE>
                      _________________
                              
              REPORT OF INDEPENDENT ACCOUNTANTS
                              
                              
To the Employee Benefits Committee of The Board of Directors
of AM-DON GENERAL PARTNERSHIP:

      We  have  audited the accompanying statements  of  net
assets  available  for plan benefits of the  DONTECH  PROFIT
PARTICIPATION PLAN (the "Plan")  as of December 31, 1994 and
1993,  and  the related statement of changes in  net  assets
available for plan benefits for the year ended December  31,
1994.  These financial statements are the responsibility  of
the Plan'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  net
assets  available  for  plan benefits  of  the  Plan  as  of
December  31, 1994 and 1993, and changes in its  net  assets
available for plan benefits for the year ended December  31,
1994   in  conformity  with  generally  accepted  accounting
principles.

     Our audits were performed for the purpose of forming an
opinion on the basic financial statements taken as a  whole.
The   fund  information  in  the  statement  of  net  assets
available for plan benefits as of December 31, 1994 and 1993
and  the  statement of changes in net assets  available  for
plan  benefits  for  the year ended  December  31,  1994  is
presented for purposes of additional analysis rather than to
present  the  net  assets available for  plan  benefits  and
changes  in net assets available for plan benefits  of  each
fund.   The  Fund  Information has  been  subjected  to  the
auditing  procedures  applied in the  audits  of  the  basic
financial  statements and, in our opinion, is fairly  stated
in  all material respects in relation to the basic financial
statements taken as a whole.

                                  Coopers & Lybrand L.L.P.


New York, New York
June 20, 1995


                             F-2
<PAGE>
              DONTECH PROFIT PARTICIPATION PLAN
  STATEMENT OF NET ASSETS AVAILABLE FOR PLAN BENEFITS, WITH
                            FUND
                         INFORMATION
                      December 31, 1994
                   (Dollars in Thousands)
                                                                       
                                                                       
                                                                       
                                         FUND INFORMATION
                                                                       
                                                                              
                                    Company Stock Fund  Special Long Term
                            Equity                       Fixed   Bond      
                            Index   Dun &               Income  Index    Loan
                    Total    Fund  Bradstreet Ameritech  Fund    Fund  Account

 ASSETS
                                                                       
Investment in Group
 Trust, at fair 
  value            $29,204   4,497   4,956     1,281    16,845    990      635

Accrued interest 
 receivable on
 participant loans       2       1       0         0         1      0        0
                                                                         
Interfund receivable
 (payable)               0     (43)   (159)       (6)      214     (6)       0
                                                                         
Contributions
 receivable:
  from employer         44      12      10         9        12      1        0
  from participant     176      54      33        30        56      3        0
                                                                     
Total assets        29,426   4,521   4,840     1,314    17,128    988      635

Total assets
 available for plan
  benefits         $29,426  $4,521  $4,840    $1,314   $17,128   $988     $635

                                                                       
                                                                       
                                                                       
     The accompanying note are an integral part of the financial statements
                                   
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                             F-3
<PAGE>     

              DONTECH PROFIT PARTICIPATION PLAN
   STATEMENT OF NET ASSETS AVAILABLE FOR PLAN BENEFITS, WITH
                      FUND INFORMATION
                      December 31, 1993
                   (Dollars in Thousands)
                                                                           
                                                                           
                                                                        
                                         FUND INFORMATION
                                                                          
                                                           
                                  Company Stock Fund    Special  Long Term
                           Equity                         Fixed    Bond      
                           Index   Dun &                 Income   Index   Loan
                  Total     Fund   Bradstreet  Ameritech  Fund     Fund  Account
                                      
     ASSETS
                                                                           
Investments in 
 Group Trust at,
 fair value       $28,358   $4,218   $5,672      $979   $15,704  $1,098    $687
                                                                        
Accrued interest
 receivable on
 particpant loans       6        2        1         1         2       0       0
                                                                           
Interfund receivable
 (payable)              0        0      (30)       (4)       34       0       0
                                            
Contributions 
 receivable:
  from employer        41       11        7         7        14       2       0 
  from particpant     155       40       23        24        66       2       0
                                                                          
Total assets       28,560    4,271    5,673     1,007    15,820   1,102     687

Net assets
 available for
 plan benefits    $28,560   $4,271   $5,673    $1,007   $15,820  $1,102    $687

                                                                          
                                                                           
                                                                           
   The accompanying notes are an integral part of the financial statements

                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                             F-4
<PAGE>

              DONTECH PROFIT PARTICIPATION PLAN
    STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR PLAN
               BENEFITS, WITH FUND INFORMATION
                     Dececmber 31, 1994
                   (Dollars in Thousands)
                              
                                                                      
                                                                      
                                      FUNDNFORMATION
                                                                      
                                                                         
                                   Company Stock Fund    Special  Long Term
                            Equity                         Fixed   Bond     
                            Index     Dun &                Income  Index   Loan
                     Total   Fund  Bradstreet  Ameritech  Fund    Fund   Account
                                                                      
Allocated income
 in Group Trust       $880     63      (367)        103     1,073    (35)    43
                                                                     
Accrued interest
 income on particpant
 loans                   2      1         0           0         1      0      0
                                                                        
Contributions 
 receivable:
 from employer         684    187       114         117       234     32      0
 from particpants    2,183    629       349         349       763     93      0
                                                                        
Participant loan
 repayments              0     68        42          42        91     12   (255)
                                                                    
Distributions to
 participants       (2,830)  (549)     (534)       (225)   (1,486)   (36)     0
                                                                     
Loans to 
 participants          (53)   (82)      (59)        (15)      (55)    (2)   160
                                                                      
Interfund transfers      0    (67)     (378)        (64)      687   (178)     0
                                                                      
Net increase (decrease)
 for the year          866    250      (833)        307     1,308   (114)   (52)

Net assets available
 for plan benefits,
 as of January 1,
   1994             28,560  4,271     5,673       1,007    15,820  1,102    687
                                                                      
Net assets available
 for plan benefits,
 as of December 31,
   1994            $29,426 $4,521    $4,840     $1,314    $17,128   $988   $635

                                                               
                                                                      
                                                                      
  The accompanying notes are an integral part of the financial statements
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                             F-5

<PAGE>
              DONTECH PROFIT PARTICIPATION PLAN
                              
                NOTES TO FINANCIAL STATEMENTS
                              
                              
Note 1.  Summary of Significant Accounting Policies

Master  Trust    AM-DON, a general partnership  between  The
Reuben  H. Donnelly Corporation and Ameritech Publishing  of
Illinois, doing business under the name DonTech, ("DonTech")
has  adopted  the  DonTech  Profit Participation  Plan  (the
"Plan")  for  the  benefit of its eligible associates.   The
assets of the DonTech Profit Participation Plan (the "Plan")
are  commingled for investment purposes with the  assets  of
The  Profit  Participation Plan  of  The  Dun  &  Bradstreet
Corporation  in  the  Dun & Bradstreet Defined  Contribution
Plan  Group  Trust  (the  "Group  Trust"),  a  master  trust
established  between  The Dun & Bradstreet  Corporation  and
Bankers   Trust   Company  (the  "Trustee").    The   Plan's
investment  in  the  Group Trust is based  on  its  relative
interest  in the fair value of the assets held in the  Group
Trust.   Investment  income, gains and losses  on  sales  of
investments  and net appreciation/depreciation in  the  fair
value  of  investments are allocated to the Plan based  upon
its  relative investment balances at fair value, during  the
valuation period.

Contributions  Contributions by participants ("members") are
recorded   in  the  period  payroll  deductions  are   made.
Contributions by DonTech are based upon amounts required  to
be funded under the provisions of the Plan.

Distributions   In  1994, distributions  are  recorded  when
paid.   In  accordance with guidance issued by the  American
Institute of Certified Public Accountants in 1993, the  Plan
has  changed its method of accounting for distributions such
that all amounts elected to be distributed from the Plan  by
participants,  but  not yet disbursed at  year-end,  are  no
longer  recorded  as  a liability in the  statement  of  net
assets available for plan benefits.

Liabilities  of  $668,730 and $520,000 for the  years  ended
December  31,  1994  and  December  31,  1993  respectively,
relating  to participants who have elected to withdraw  from
the Plan but have not yet been paid, have been reflected  on
the  Form  5500's.  The difference between distributions  to
participants  reported in the statement of  changes  in  net
assets available for plan benefits and the Form 5500 for the
year ended December 31, 1994 amounted to $148,730.

Note 2.  Plan Description

The following summary of major Plan provisions in effect for
the  Plan  year is provided for general information purposes
only.   Members should refer to the Plan document  for  more
complete information.

The  Plan  is a defined contribution plan and is subject  to
the  provisions  of the Employee Retirement Income  Security
Act  of  1974  (ERISA).  Associates of DonTech who  work  at
least one thousand hours during the consecutive twelve-month
period  following  employment,  or  in  any  calendar   year
thereafter, are eligible to participate in the Plan  on  the
following January 1 or July 1.


                             F-6
<PAGE>
              DONTECH PROFIT PARTICIPATION PLAN
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              
Note 2.  Plan Description (Cont.)

Members  contribute to the basic Plan by authorizing payroll
deductions equal to 2%, 3%, 4%, 5% or 6% of their creditable
compensation   as   defined  in  the  Plan.    Participating
companies make matching contributions equal to a minimum  of
50%  of  aggregate  member contributions.   If  the  average
increase  in DonTech's net income, as defined in  the  Plan,
for any Plan year and the immediately preceding Plan year is
greater   than   5%,  DonTech  contributes   an   additional
percentage of the aggregate member contributions.  DonTech's
Employee  Benefit Committee established the average increase
in net income at 10% for the 1994 Plan year.

Members  also may make additional contributions  (which  are
not  eligible for company matching contributions)  under  an
Investment Plan addendum to the basic Plan.

Members  are not permitted to invest more than 50% of  their
account  balance  or contributions in the Dun  &  Bradstreet
Common  Stock  Fund and Ameritech Common  Stock  Fund  ("the
Company    Stock    Fund").     Contributions,    transfers,
reallocations of actual balances into the Company Stock Fund
will  be invested 50% in Ameritech Common Stock and  50%  in
Dun  &  Bradstreet  Common  Stock.   Members  are  able   to
reallocate their entire account balances in multiples of 10%
among the Plan's four investment funds, subject to  the  50%
maximum for the Company Stock Fund.

Members'  contributions under the basic Plan and  additional
contributions under the Investment Plan may be made  in  the
form   of  contributions  from  after  tax  earnings  and/or
contributions  from  before tax  earnings,  which  have  the
effect  of  reducing  current taxable earnings  for  federal
income  tax  purposes.   A  member's  aggregate  before  tax
contributions may not exceed 16% of the member's  creditable
compensation (up to 6% in before tax contributions under the
basic  Plan and up to 10% in before tax contributions  under
the  Investment Plan) subject to an overall limit on  before
tax contributions imposed by the Internal Revenue Code.  For
1994,  the  Internal  Revenue  Code  limit  on  before   tax
contribution was $9,240.

To  comply with certain provisions of the Tax Reform Act  of
1986   (the   "Act"),  the  Plan  limits   maximum   covered
compensation  as defined by the Secretary of  the  Treasury.
The maximum covered compensation for purposes of determining
member and Company contributions under the Plan for 1994 was
$150,000.   Additionally, the Plan  provides  for  graduated
vesting  in the value of company contributions to a member's
Plan  account  over  a  six  year period  beginning  on  the
member's initial employment date with the Company.

Upon  termination  of service with Dontech,  members  become
eligible  for a lump sum distribution of the vested  portion
of  their  account balance.  Retired and terminated  members
who  have  an account balance in excess of $3,500 may  elect
various forms of deferred distribution.


                             F-7
<PAGE>                              
              DONTECH PROFIT PARTICIPATION PLAN
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              

Note 2.  Plan Description (Cont.)

Members may obtain loans from the Plan, which are secured by
the  vested balance in their accounts.  The Plan limits  the
total number and amount of loans outstanding at any time for
each  member.  Interest rates applicable to Plan  loans  are
commensurate  with prevailing rates of interest  charged  on
similar commercial loans determined in the marketplace.  The
total  number of members with outstanding loans at  December
31, 1994 was 165.

Amounts  forfeited by nonvested or partially vested  members
who  terminated  during the year ended  December  31,  1994,
totaled  $40,788.  Forfeited amounts reduce  future  DonTech
contributions.

While  DonTech  has not expressed any intent to  discontinue
its contributions or to terminate the Plan, it is free to do
so  at  any  time subject to the provisions of the  Employee
Retirement  Income  Security Act of 1974  and  the  Internal
Revenue Code which state that, in such event, all members of
the  Plan  shall be fully vested in the amounts credited  to
their accounts.

Note 3.  Investment Funds

Members  of  the Plan can elect to have amounts credited  to
their  Plan  accounts  invested  in  one  or  more  of  four
investment funds:  an Equity Index Fund, an Ameritech/Dun  &
Bradstreet  Common Stock Fund, a Special Fixed  Income  Fund
and a Long Term Bond Index Fund.

Contributions  received from members and  from  DonTech  are
temporarily  invested in Bankers Trust  Company  Short  Term
Investment    Fund,  pending  investment  into  the   funds.
Investments  of  the  Special  Fixed  Income  Fund   consist
entirely  of  investment contracts with insurance  companies
which  represents a concentration of credit risk.   However,
the Plan does not anticipate nonperformance by the insurance
companies.

The   recordkeeper  maintains  individual  account   records
reflecting  each member's interest in the Plan and  in  each
fund  of  the  Plan in which such member invests.   Members'
interests in each fund of the Plan  are represented by  cash
value.  For each fund of the Plan, the cash value and number
of participants were as follows:

           

                              
                             F-8
<PAGE>      
        DONTECH PROFIT PARTICIPATION PLAN
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              
                              
Note 3.  Investment funds (Cont.)


                                                    December 31,
                                                 1994          1993

Wells Fargo Equity Index Fund:
       Cash Value                          $ 4,426,172     $ 4,161,639
       Number of participants                      334             328
Dun & Bradstreet Common Stock Fund:
       Cash Value                          $ 4,776,114     $ 5,569,895
       Number of participants                      461             479
Ameritech Common Stock Fund:
       Cash Value                          $ 1,279,316     $   917,917
       Number of participants                      415             415
Special Fixed Income Fund:
       Cash Value                          $16,669,037     $15,638,072
       Number of Participants                      409             464
Wells Fargo Long Term Bond Index Fund:
       Cash Value                          $   974,422    $  1,101,087
       Number of participants                       90              91

The variance between the cash value at December 31, 1994 and
December  31,  1993, and the net assets available  for  plan
benefits at December 31, 1994 and December 31, 1993  is  the
distribution payable amount for each fund.

Note 4.  Tax Status

The Plan Administrator and its qualified tax counsel believe
the  Plan  is  in compliance with ERISA requirements  for  a
qualified  trust  under  Sections  401(a)  of  the  Internal
Revenue  Code  (the  "Code") and to be exempt  from  Federal
income  taxes under the provisions of Section 501(a) of  the
Code.   Once  the  Internal Revenue Service (the  "Service")
reinstitutes  determination  letter  procedures,  the   Plan
intends  to  make formal application to the  Service  for  a
determination that the Plan is so qualified.
                            
                              
                              
                             F-9
<PAGE>

              DONTECH PROFIT PARTICIPATION PLAN
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              
Note 5.  Investment in Group Trust

The  investment  reflected in the statement  of  net  assets
available for plan benefits represents the Plan's  share  of
total  assets in the Group Trust which is 3.5% and  3.6%  at
December  31,  1994 and 1993 respectively.  Assets  at  fair
value  in  the  Group Trust are summarized  as  follows  (in
thousands):
                                                        December 31,
                                                    1994           1993
 
Wells Fargo Equity Index Fund                   $210,407*       $191,269*
The Dun & Bradstreet Corporation Common Stock    125,308*        139,132*
Ameritech  Corporation  Common  Stock              1,127             949
Prudential  Annuity  Contract                     71,168*        111,774*
New  York  Life  Annuity Contract                 42,062*         88,445*
John   Hancock  Annuity  Contract                119,481*         89,404*
Principal  Mutual   Annuity  Contract            138,432*         98,200*
MetLife    Annuity    Contract                    55,371*              0
Wells Fargo LongTerm Bond Index Fund              40,011*         43,260*
Loan Account                                      28,739          25,663
Bankers  Trust Short Term Investment Fund          9,110           2,866
     Total Investments                          $841,216        $790,962
Accrued interest and dividends                     2,420           2,361
       Total assets in Group Trust              $843,636        $793,323

*  These investments represented 5% or more of total Plan assets.

The Group Trust's investments had the following income/(loss) during 1994
(in thousands):

Net Appreciation (Depreciation)

Investments, at fair value as
     determined by quoted market prices:

Wells  Fargo Equity Index  Fund                           $(2,691)
The Company Stock Fund                                    (15,201)
Wells  Fargo Long Term Bond Index Fund                    ( 4,450)
           Total net appreciation/(depreciation)        $( 22,342)

Investment Income

Interest                                                   37,929
Dividends                                                   5,961
     Total Investment Income                               43,890

Group Trust Income                                       $ 21,548
                            F-10

<PAGE>

              DONTECH PROFIT PARTICIPATION PLAN
                              
         NOTES TO FINANCIAL STATEMENTS - (Continued)
                              
                              
Note 5.  Investments (Cont.)

The  Plan's  allocated income in the Group Trust  represents
its  participating share throughout the year ended  December
31, 1994.

Investments in securities are included at fair  value.   The
fair  value  of  investments  is  determined  utilizing  the
applicable  December 31 closing sales prices  as  quoted  in
published financial sources.

Investments  in Bankers Trust Company Short Term  Investment
Fund,  the Wells Fargo Bank Equity Index Fund and the  Wells
Fargo Long Term Bond Index Fund are valued at the applicable
December  31  redemption prices reported by the managers  of
the Funds.

Investments  under  The  Prudential  Insurance  Company   of
America,  New  York  Life Insurance  Company,  John  Hancock
Mutual  Life Insurance Company, Metropolitan Life  Insurance
Company  and  the  Principal Mutual Life  Insurance  Company
investment contracts do not participate directly  in  market
appreciation or depreciation.  Such investments  are  stated
at  contract value which represents the aggregate amount  of
accumulated  contributions into  the  account  and  interest
earned thereon, less accumulated distributions.

Dividend  income  is  recorded  on  the  ex-dividend   date.
Interest  earned on investments is recorded on  the  accrual
basis.   Purchases and sales of securities are  recorded  on
the trade date.

The net appreciation/(depreciation) in the fair value of the
Group  Trust's  investments consists of realized  gains  and
losses  and  the  unrealized appreciation/(depreciation)  on
those investments for the year.

Note 6.  Plan Expenses

Transaction   and  investment  manager  fees   relating   to
investments  in the Ameritech/Dun & Bradstreet Common  Stock
Fund , Equity Index Fund, and Long Term Bond Index Fund  are
charged  against  Plan  assets.   Trustee  fees  and   other
expenses of administering the Plan are borne by DonTech.


                            F-11
                              



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