Diversified Technology and Services of Virginia Inc. of Newport News won a $20.5 million contract from the National Aeronautics and Space Administration for research equipment operations.

The five-year contract will fund positions to operate mechanical and electrical drive systems for the wind tunnel at NASA's Langley Research Center. The wind tunnel, which allows scientists to conduct tests on model spacecrafts, requires high air pressure conditions needed for takeoff and reentry.

Diversified Technology and Services, founded in 1982, provides operational, maintenance and administrative support to a variety of government agencies, including the departments of agriculture and defense.

Intelligent Decisions Inc. of Chantilly won three contracts worth $18.7 million from the Department of Agriculture for laptop and desktop computers.

The contracts will allow ID to provide 8,500 systems before the end of this month to the USDA for the department's initiative to upgrade computers and replace existing systems that may be vulnerable to the Y2K glitch.

The contracts were made under the National Institutes of Health's Electronic Computer Store II contract, which supplies computer equipment to federal agencies.

ID, founded in 1988, provides information technology professional services, integrates diversified systems, and makes its own line of computers.

Marasco Newton Group Ltd. of Arlington won a $10 million contract from the Federal Supply Service for environmental advisory services.

Robbins-Gioia Inc. of Alexandria won a $4.9 million contract from the Air Force for professional, administrative and management-support services.

The Mitchell Group of Washington won a $4.5 million contract from the U.S. Agency for International Development for automatic data processing and telecommunications services.

DoxSys Inc. of Bethesda won a $3.9 million contract from the National Oceanographic and Atmospheric Administration for an environmental data rescue program.

R.O.W. Science Inc. of Rockville won a $2.9 million contract from the National Institute of Mental Health in Bethesda for professional, administrative and management-support services.

Veridian Engineering Inc. of Falls Church won a $2.5 million contract from the General Services Administration for special studies.

Baltimore Marine Industries of Baltimore won a $2.3 million contract from the Army for repairs.

Atlantic Electric Inc. of Yorktown won a $2.2 million contract from the Marine Corps for facility construction.

Envisioneering Inc. of King George won a $395,514 contract from the Navy for measuring tools.

John L. Mattingly Construction Co. of Waldorf won a $375,253 contract from the U.S. Postal Service for research and development.

Newport News Shipbuilding and Drydock Co. of Newport News won a $195,000 contract from the Navy for ships.

Atlantic Ordnance and Gyro Inc. of Norfolk won four contracts worth $188,335, $147,173, $142,346 and $140,691 from the Navy for ships, small craft, pontoons and floating docks.

Associated Naval Architects of Portsmouth won two contracts worth $171,100 and $128,900 from the Navy for ships, small craft, pontoons and floating docks.

Guidry Associates Inc. of Arlington won a $150,000 contract from the General Services Administration for professional, administrative and management-support services.

American Paving Co. Inc. of Baltimore won a $142,691 contract from the U.S. Postal Service for research and development.

Industrial Marine & Engineering of Norfolk won a $90,877 contract from the Navy for repairs.

J. Henry Holland Corp. of Virginia Beach won a $90,441 contract from Defense General Supply Center for rope, cable, chains and fittings.

American Marine and Engineering of Portsmouth won an $86,930 contract from the Coast Guard for repairs.

Godwin Corp. of Langley won a $77,925 contract from the Coast Guard for medical services.

The contracts listed were awarded by the federal government to companies and other vendors in Virginia, Maryland and the District.