GTE Federal Network Systems of Arlington won a $250 million, four-year contract from the General Services Administration for security and disaster-recovery capabilities.

Under this contract, GTE will provide a range of professional services and products necessary for protecting interconnected public and private infrastructures from cyber intrusion and other critical attacks.

GTE Federal Network Systems provides federal agencies with network and security engineering services. GTE FNS specializes in delivering network engineering and management, high-performance Internet access and security to Web-based applications.

Arinc Corp. of Annapolis won a $64.2 million contract from Tinker Air Force Base for engineering services.

Automated Sciences Group Inc. of Arlington won a $64.2 million contract from Tinker Air Force Base for engineering services.

Industrial Marine Services Inc. of Norfolk won a $18.6 million contract from the Environmental Protection Agency for emergency and rapid response services.

McManis Associates Inc. of Washington won a $29.2 million contract from the Bureau of Prisons for special studies and analyses.

Northrop Grumman Corp. of Baltimore won a $15 million contract from Robins Air Force Base for medical equipment.

ZAI/AMELEX Inc. of Vienna won a $11.9 million contract from the Navy for aircraft equipment.

General Scientific Corp. of Arlington won a $10 million contract from the General Services Administration for management, organizational and business-improvement services.

Baltimore Marine Industries Inc. of Baltimore won a $7.5 million contract from the Military Sealift Command for dry-docking services.

Fontana Lithograph Inc. of Cheverly won a $3.3 million contract from the Government Printing Office for publication services.

Comsat Mobile Communications of Bethesda won a $1.9 million contract from the Navy for telecommunications services.

HUB Consulting Group Inc. of Columbia won a $1.9 million contract from the Navy for education and training services.

ProLogis Trust of Alexandria won a $1.1 million contract from the General Services Administration for the lease of facilities.

Vinnell Corp. of Fairfax won a $687,368 contract from the Labor Department for education services.

S.B. Ballard Inc. of Norfolk won a $629,460 contract from the Navy for the maintenance and repair of real property.

Capitol Contractors Inc. of Capitol Heights won a $604,448 contract from the General Services Administration for property repairs.

Power Systems & Controls Inc. of Richmond won a $570,994 contract from the Defense General Supply Center for electronic equipment.

Computer Science Corp. of Laurel won a $543,478 contract from the Commerce Department for engineering-support services.

Top Painting Co. of Hampton won a $438,774 contract from the Federal Prison Camp of Montgomery, Pa., for property maintenance and repair.

Techna Graphics Inc. of Washington won a $437,000 contract from the Government Printing Office for publication services.

Gray Graphics of Capitol Heights won a $318,294 contract from the Government Printing Office for printing services.

Harris Technical Services Corp. of Norfolk won a $305,902 contract from the Navy for electrical equipment components.

Microcosm Inc. of Columbia won a $299,656 contract from the National Cancer Institute for instruments and laboratory equipment.

Brooks and Brooks Services Inc. of Camp Springs won a $228,269 contract from the Industrial Operations Command for utilities and housekeeping services.

Whipp & Bourne Inc. of Ashburn won a $160,000 contract from the Navy for electronic equipment.

Electrical Equipment Co. of Norfolk won a $80,943 contract from the Langley Research Center for hardware.

Golden Eagle Contracting Inc. won a $71,400 contract from the Coast Guard for property maintenance and repair.

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