This is a summary of selected contracts awarded by the federal government to companies and other vendors in Virginia, Maryland and the District.

Government Technology Services Inc. in Chantilly won a $609,014,976 contract from the Automatic Data Processing Selection Office to supply standard desktop computer companion hardware, software and support.

IMS Services Inc. in Rockville won a $24,722,603 contract from the Navy to provide software support services, services for maintenance control and operational site support for various Navy computers at Twelve Site.

SAIC in McLean won an $18,475,074 contract from the Environmental Protection Agency to provide technical support for regulatory development of chemical industries.

Centel Federal Systems Inc. in Reston won a $17,875,000 contract from the U.S. Postal Service to supply labels.

W.M. Jordan Co. in Newport News, Va., won a $9,090,000 contract from the National Aeronautics and Space Administration to provide construction and major additions to existing buildings or facilities.

Westinghouse Electric Corp. in Hunt Valley won an $8,337,950 contract from the Air Force to supply spare parts for avionics intermediate test systems for the F/FB-111 aircraft.

AAI Corp. in Hunt Valley won a $6,800,000 contract from the Navy to supply a prototype device for a Perry Class combat system trainer.

Zimmerman Associates Inc. in Crystal City won a $5.3 million contract from the Air Force to provide professional support services to the Foreign Service Library.

ARC Professional Services Group Inc. in Rockville won a $4,427,453 contract from the Navy to provide technical and engineering support services for the Trident ship control program.

Institute for Law and Justice Inc. in Alexandria won a $2,957,434 contract from the Department of Justice to provide a professional conference series.

Moon Engineering Co. in Portsmouth, Va., won a $2,757,597 contract from the Navy to supply ships, small crafts, pontoons and floating docks.

Bureau of Rehabilitation in Lanham won a $2,376,150 contract from the Federal Bureau of Prisons to provide a residential community corrections center.

Fairchild Space and Defense Corp. in Germantown won a $2,128,896 contract from the National Aeronautics and Space Administration to design and develop a solid-state recorder for a space shuttle engine monitoring system.

PRC Inc. in McLean won a $1,955,930 contract from the Navy to provide engineering support services.

COMPUS Services Corp. in Rockville won a $1,800,000 contract from the Federal Aviation Administration to provide computer time-sharing, proprietary software, budget analysis and reporting services.

Webcraft Technologies Inc. in Salisburg, Md., won a $1,606,737 contract from the U.S. Government Printing Office to provide printing services.

C.B. Fleet Co. in Lynchburg, Va., won a $1,073,170 contract from the Veterans Affairs marketing center to provide pharmaceuticals.

Decision Systems Technologies in Greenbelt won a $992,050 contract from the Navy to provide automatic data-processing support services.

Zimmerman Associates Inc. in Arlington won an $859,962 contract from the Air Force to provide a foreign science library for an Air Force Base in Ohio.

NES Government Services Inc. in Virginia Beach won a $659,840 contract from the Army to provide services for general medical officers.

NUS Corp. in Gaithersburg won a $567,720 contract from the General Services Administration to install automatic fire sprinkler.

Free State Reporting Inc. in Annapolis won a $566,280 contract from the Department of Justice to provide transcription services.

Deposition Services Inc. in Rockville won a $463,164 contract from the Department of Justice to provide transcription services.

American Management Systems Inc. in Arlington won a $326,365 contract from the Navy to provide engineering technical services.

American Coastal Industries in Arlington won a $294,850 contract from the Military Sealift Command to buy containers.

National Marketing Group in Alexandria won a $267,750 contract from the Military Sealift Command to buy containers.

Stanford Paper Co. in Landover won a $242,400 contract from the General Services Administration to supply carbonless transfer paper.

Washington Printing Supplies Inc. in Fairfax won a $227,737 contract from the Air Force to provide a color-scanning system.

S & K Sales Co. in Norfolk won a $224,261 contract from the Navy to supply uniform shirts and pants.

McGregor Printing Co. in Westminster, Md., won a $193,500 contract from the Government Printing Office for printing services.

Metalcraft Inc. in Baltimore won a $182,272 contract from the Defense Construction Supply Center to provide fire-fighting, rescue and safety equipment.

McDonald and Eudy Printers in Temple Hills, Md., won a $159,539 contract from the U.S. Government Office to provide book printing services.

Strategic Analysis Inc. in Arlington won a $147,272 contract from the Navy to provide development and research work.

Reynolds Metal Co. in Richmond won a $128,090 contract from the Defense Industrial Plant Equipment Center to provide aluminum skid components.