UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. __3_)*
ACMAT Corp
(Name of Issuer)
Common Stock Class A
(Title of Class of Securities)
004616207
(Cusip Number)
*The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect to
the subject class of securities, and for any subsequent amendment
containing information which would alter disclosures provided in
a prior cover page.
The information required on the remainder of this cover page
shall not be deemed to be "filed" for the purpose of Section 18
of the Securities Exchange Act of 1934 ("Act") or otherwise
subject to the liabilities of that section of the Act but shall
be subject to all other provisions of the Act (however, see the
Notes).
<PAGE>
SCHEDULE 13G
CUSIP No. 004616207 Page 2 of 6 Pages
1. NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Investment Counselors of Maryland, Inc.
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)[ ]
(b)[ ]
3. SEC USE ONLY
4. CITIZENSHIP OR PLACE OF ORGANIZATION
Maryland
5. SOLE VOTING POWER
NUMBER OF SHARES
175,000
BENEFICIALLY
6. SHARED VOTING POWER
OWNED BY EACH
REPORTING
7. SOLE DISPOSITIVE POWER
PERSON
175,000
WITH
8. SHARED DISPOSITIVE POWER
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
175,000
10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
7.43%
12. TYPE OF REPORTING PERSON*
IA
<PAGE>
CUSIP No. 004616207 Page 3 of 6 Pages
Item 1(a) Name of Issuer:
ACMAT Corp
(b) Address of Issuer's Principal Executive Offices
233 Main Street
New Britain, Connecticut 06050-2350
Item 2(a) Name of Person Filing:
Investment Counselors of Maryland, Inc.
(b) Address of Principal Business Office or, if none,
Residence:
803 Cathedral Street
Baltimore, Maryland 21201-5297
(c) Citizenship:
Maryland
(d) Title of Class of Securities:
Common Stock Class A
(e) CUSIP Number:
004616207
Item 3: Capacity in Which Person is Filing:
[x] Investment Adviser registered under Section 203 of the
Investment Advisers Act of 1940.
<PAGE>
CUSIP No. 004616207 Page 4 of 6 Pages
Item 4: Ownership:
As of December 31, 1999:
(a) Amount Beneficially Owned:
175,000
(b) Percent of class:
7.43%
(c) Number of shares to which such person has:
(i) Sole power to vote or to direct the vote:
175,000
(ii) Shared power to vote or to direct the vote:
(iii)Sole power to dispose or to direct the disposition of:
175,000
(iv) Shared power to dispose or to direct the disposition
of:
Item 5: Ownership of Five Percent of Less of Class:
If this statement is being filed to report the fact that as
of the date hereof the reporting person has ceased to be the
beneficial owner of more than five percent of the class of
securities, check the following. [ ] Not applicable
<PAGE>
CUSIP No. 004616207 Page 5 of 6 Pages
Item 6: Ownership of More than Five Percent on Behalf of
Another Person:
All of the shares of Common Stock set forth in Item 4 are
owned by various investment advisory clients of Investment
Counselors of Maryland, Inc., which is deemed to be a beneficial
owner of those shares pursuant to Rule 13d-3 under the Securities
Exchange Act of 1934, due to its discretionary power to make
investment decisions over such shares for its clients and its
ability to vote such shares. In all cases, persons other than
Investment Counselors of Maryland, Inc. have the right to
receive, or the power to direct the receipt of, dividends from,
or the proceeds from the sale of the shares. No individual
client holds more than five percent of the class.
Item 7: Identification and Classification of the Subsidiary
Which Acquired the Security Being Reported on By the Parent
Holding Company:
Not applicable.
Item 8: Identification and Classification of Members of the
Group:
Not applicable
Item 9: Notice of Dissolution of Group:
Not applicable
<PAGE>
CUSIP No. 004616207 Page 6 of 6 Pages
Item 10: Certification:
By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired in the
ordinary course of business and were not acquired in connection
with or as a participant in any transaction having such purposes
or effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this
statement is true, complete and correct.
Investment Counselors of Maryland, Inc.
By: /s/ Robert D. McDorman, Jr.
Robert D. McDorman, Jr.
Principal
Date: 2/9/00
