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

Stafford Place Associates Ltd. Partnership in McLean won a $217,364,400 contract from the General Services Administration for leasing earth-moving equipment.

Metters Industries Inc. in McLean won a $52,965,000 contract from the Navy to provide engineering and technical support services.

Porton Products Ltd. in Washington won an $18,874,783 contract from the Army for research on the production of botulinius toxoids.

Mitre Corp. in McLean won a $7,953,180 contract from the Army for engineering and technical services.

Federal Prison Industries in Washington won a $4,642,657 contract from the General Services Administration to supply bed sheets.

Mitre Corp. in McLean won a $4,161,466 contract from the Army for engineering and technical services.

Versar Inc. in Springfield won a $2,818,998 contract, with an option for a $13,747,815 contract, from the Environmental Protection Agency to provide monitoring services.

Unisys Corp. Systems Services Group in McLean won a $2,612,270 contract from the Navy to provide field engineering services.

SKW Corp. in Arlington won a $2,440,032 contract from the Air Force to provide analytical support services.

MPR Associates Inc. in Washington won a $2,250,061 contract from the Navy to provide technical, engineering and logistic support to a submarine monitoring, maintenance and support office.

Son's Quality Food Co. in Washington won a $2,154,327 contract from the Air Force to provide full food service at Andrews Air Force Base, Brandywine and Davidsonville Transmitter Sites.

Syscon Corp. in Washington won a $1,960,298 contract from the Air Force to maintain and repair equipment.

GC Services Limited Partnership in Washington won a $1,914,635 contract from the Internal Revenue Service to maintain, support and expand automatic call distributor telephone equipment.

Sentient Systems Inc. in Kensington won a $1,328,900 contract from the National Library of Medicine Office of Acquisitions Management to provide expert and consultant services.

Defense Diamond Development Co. in Arlington won a $1,320,433 contract from the Navy to research optical quality diamond missile domes.

Fairfax Hospital in Falls Church won a $1,296,360 contract from the National Institutes of Health to provide cardiac surgery and coronary angioplasty services for the cardiology program.

Planning Systems Inc. in McLean won a $1,267,585 contract from the Naval Oceanographic and Atmospheric Research Laboratory for oceanographic research.

Standard Technology Inc. in Rockville won a $1,199,522 contract from the Navy to provide technical assessments and analyses.

Georgetown University in Washington won a $1,164,800 contract from the National Institutes of Health to provide cardiac surgery and coronary angioplasty services for the cardiology program.

Westinghouse Electric Corp. in Hunt Valley won a $1,141,845 contract from the Air Force to maintain and repair equipment.

Statcom Inc. in McLean won a $1,097,135 contract from the Navy for technical and program evaluations.

Pinkerton Computer Consultants Inc. in Alexandria won a $1,011,761 contract from the U.S. Arms Control and Disarmament Agency to support a management information system.

Versar Inc. in Springfield won a $736,119 contract, with an option for a $2,775,073 contract, to provide technical, research and development services.

SEMA Inc. in Rockville won a $704,990 contract from the National Cancer Institute to research the immune response of viral antigens.