Orbital Sciences Corp. of Dulles won a $35 million contract from the National Aeronautics and Space Administration for rockets.

NASA will be buying Orbital's Pegasus rocket to launch the Solar Radiation and Climate Experiment and SCISAT-1 satellites on two missions in 2002. The small launch rockets can carry up to 1,000 pounds into low Earth orbit.

Orbital Sciences, a space technology and satellite services company, is a worldwide manufacturer of space systems and products, including launch vehicles, electronics and sensors, satellite ground systems and software and satellite-based navigation and communication products.

GTE Information Systems of Chantilly won a $29.4 million contract from the Commerce Department for automatic data-processing and telecommunications services.

Matthews Media Group Inc. of Rockville won an $8.3 million contract from the Acquisitions Management Operations Branch for professional administrative and management support services.

Vantage Human Resource Services Inc. of Arlington won a $6.8 million contract from the Labor Department for education and training services.

Sentel Corp. of Alexandria won a $5.9 million contract from the Navy for space studies and analytical reports.

Soil and Land Use Technology Inc. of Beltsville won a $5.3 million contract from the Transportation Department for research and development services.

Virginia Marine Structures Inc. of Virginia Beach won a $1.4 million contract from the Marines for repair services.

Williams & Heintz Map Corp. of Capitol Heights won an $800,000 contract from the Commerce Department for publication services.

Parallax Inc. of Germantown won a $609,404 contract from the Treasury Department for automatic data-processing and telecommunications services.

Automated Sciences Group Inc. of Arlington won a $199,904 contract from the Army for research and development services.

Sheraton Norfolk Waterside Hotel of Norfolk won a $161,867 contract from the Office of Personnel Management for lease of rental of facilities.

Quality Lab Products of Elkridge won a $152,306 contract from the National Institutes of Health for medical supplies.

Moore North America Inc. of Laurel won a $151,859 contract from the Government Printing Office for publication services.

Merant of Baltimore won a $100,000 contract from the Navy for repair services.

Automated Sciences Group Inc. of Arlington won a $99,952 contract from the Army for research and development services.

Balmar Printing & Graphics of Gaithersburg won a $92,483 contract from the Government Printing Office for publication services.

Argo Marine and Industrial of Virginia Beach won a $63,945 contract from the Defense General Supply Center for electric wire and power distribution equipment.

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