This is a summary of selected prime contracts recently awarded by the federal government to companies and other vendors in the Washington, Baltimore, Richmond and Tidewater Virginia areas.

BDM Corp. in McLean won a $7,389,526 contract from the Air Force to operate and improve nuclear simulation test facilities.

TRW Inc. in Fairfax won a $6,989,708 contract from the Navy to provide marine architectural and engineering services for amphibious warfare and strategic sealift class ships.

Londontown Corp. in Eldersburg, Md., won a $3,487,742 contract from the Defense Personnel Support Center to supply women's raincoats with removable liners.

Tank Cleaning Services Inc. in Portsmouth won a $2,592,980 contract from the Navy for cleaning services.

ROH Inc. in Arlington won a $2,510,379 contract from the Navy to provide ship availability, budgeting and planning services.

Industrial Drive in Radford, Va., won a $1,936,707 contract from the U.S. Postal Service to provide servomotor feeder kits.

Norfolk Shipbuilding & Drydock Corp. in Norfolk won a $1,867,818 contract from the Navy for ship repair.

Israel Military Industries in Chevy Chase won a $1,712,560 contract from the Navy to supply an external fuel tank. The company also won a $462,560 contract from the Army to supply vehicular equipment.

Art Litho Co. in Baltimore won a $1,334,068 contract from the Government Printing Office for printing services.

Ardak Corp. in McLean won a $1,274,416 contract from the Navy for research work.

Sperry Marine Inc. in Charlottesville won contracts totaling $1,197,270 from the Navy for training aids and devices.

Mathematica Policy Research Inc. in Washington won a $959,789 contract from the Agriculture Department to provide a food stamp program and related analyses of costs and participation.

AAI Corp. in Hunt Valley, Md., won an $892,656 contract from the Air Force to provide research services for insensitive munition fuse technology. The company also won a $702,278 contract from the Navy to provide repair services.

Anchor/Darling Valve Co. in Williamsport, Va., won a $682,348 contract from the Tennessee Valley Authority to supply gate valves.

Top Painting Co. Inc. in Hampton, Va., won a $637,604 contract from the Marine Corps to provide painting services.

National Linen Service in Richmond won a $558,074 contract from the Army for laundry services.

MESA-JV in Arlington won a $509,976 contract from the Navy to evaluate missile maintenance data. The company also won a $359,598 contract from the Navy to provide technical support.

Lakes Dredge & Dock Co. in Timonium, Md., won a $428,985 contract from the Navy to provide maintenance and dredging services.

Sutron Corp. in Herndon won a $400,000 contract from the Army to provide architectural and engineering services.

Unijax in Richmond won contracts totaling $398,831 from Unicor, Federal Prison Industries, to supply printing paper.

Techna Graphics Inc. in Washington won a $390,600 contract from the Government Printing Office to provide printing services.

Troy Systems Inc. in Alexandria won a $315,008 contract from the Navy to provide technical and program evaluations and services.

International Business Machines Corp. in Bethesda won a $286,572 contract from the Navy to maintain facilities.

Rea Construction Co. in Norfolk won a $284,994 contract from the Navy to provide an aircraft taxiway overlay.

Computer Systems Development Corp. in Chantilly won a $279,194 contract from the Navy for analytical and technical services.

E.R. Stephens Inc. in Wallops Island, Va., won a $272,988 contract from the National Aeronautics and Space Administration to maintain property.

LSA Inc. in Arlington won a $249,995 contract from the Navy for technical services.

General Scientific Corp. in Arlington won a $244,507 contract from the Navy for engineering analysis services.

Twigg Corp. in District Heights won a $240,000 contract from the Coast Guard to provide construction for heating improvements.

Brute Kitchen Equipment in Portsmouth, Va., won a $235,000 contract from the General Services Administration to supply food handling, refrigeration and storage equipment.

Training Systems Group in Arlington won contracts totaling $232,990 from the Navy to provide technical services and reviews. The company also won a $126,759 contract from the Navy for technical reviews.

Federal Lithograph Co. in Washington won a $229,558 contract from the Government Printing Office to provide printing services.

Banks-Dorgan Co. in Norfolk won a $220,940 contract from the Navy for modification, alteration and repair of equipment services.

Retro Insulation Inc. in Disputanta, Va., won a $220,525 contract from the Navy to remove and replace asbestos insulation.

JWK International Corp. in Annandale won a $213,092 contract from the Navy for engineering studies and analysis.

Technical Environment Control Inc. in Gaithersburg won a $205,855 contract from the Navy to refurbish an anechoic chamber.

McKissick & Co. in Chesapeake, Va., won a $197,953 contract from the Navy to install fume hoods in a fuel laboratory.

Gemma Corp. in Arlington won a $196,956 contract from the Navy to provide technical, scientific and engineering evaluations.

Plandel Inc. in Sterling won a $184,500 contract from the Federal Emergency Management Agency to complete a firing range project.

Harwel Construction Co. in Cockeysville, Md., won a $175,000 contract from the David Taylor Research Center to replace fuel oil lines.

Metters Industries Inc. in Arlington won a $174,025 contract from the Navy to provide architectural and engineering services.

LSA Inc. in Arlington won a $150,000 contract from the Navy to provide cost analysis services.

C.P.G. Inc. in Chesapeake, Va., won a $140,121 contract from the Navy to repair and replace curbing at a naval air station.

Wallace Computer Services Inc. in Arlington won a $120,496 contract from the Government Printing Office for printing services.

Jurney Construction Co. Inc. in Clinton, Md., won a $118,764 contract from the Air Force to install fire detection equipment and repair a mechanical room.