Andersen Consulting of Washington won a $47 million contract from the Interior Department for management and technology consulting services.

The seven-year contract will enable the department's minerals management service to build a new infrastructure for its royalty-collection program. The program upgrade will improve the federal government's accounting of revenue generated from mining companies that operate on federal land.

Andersen Consulting's federal unit operates within one of the company's five global market units.

CACI Inc. of Fairfax won a $49 million contract from the Navy for professional, administrative and management-support services.

TrizecHahn Twinbrook Metro Ltd. Partnership of Washington won contracts of $17.6 million and $9.4 million from the General Services Administration for rental facilities.

Defense Forecast Inc. of Washington won a $6 million contract from the General Services Administration for administrative-support services.

Financial and Realty Services of Silver Spring won a $5.8 million contract from the Treasury Department for facility operations.

Digicon Corp. of Rockville won a $5 million contract from the General Services Administration for administrative-support services.

Federal Market Group of Manassas won a $4.7 million contract from the General Services Administration for administrative-support services.

Cummins Power Systems Inc. of Glen Burnie won a $3.5 million contract from the Coast Guard for engine accessories.

Norfolk Shipbuilding and Drydock Corp. of Norfolk won a $2.4 million contract from the Army for repair services.

Advanced Realty Advisors Inc. of Lanham won a $2.3 million contract from the General Services Administration for rental facilities.

P&W Surplus Office Movers Inc. of Manassas won a $2 million contract from the Treasury Department for utilities and housekeeping services.

Earl Industries of Portsmouth, Va., won a $1.5 million contract from the Navy for ships and small craft.

Global Options of Washington won a $1.5 million contract from the General Services Administration for administrative-support services.

Comsoft Systems of McLean won a $934,006 contract from the Navy for equipment installation.

Digital Equipment Corp. of Greenbelt won a $736,000 contract from the Navy for repair services.

Designers and Planners Inc. of Arlington won a $500,000 contract from the General Services Administration for administrative-support services.

Atlantic Ordnance and Gryo Inc. of Norfolk won a $307,232 contract from the Navy for ships.

Associated Naval Architects Inc. of Portsmouth, Va., won a $292,700 contract from the Navy for boats.

Timberline Tree and Landscaping Service of Charlotte Court House, Va., won a $181,356 contract from the Navy for utilities and housekeeping services.

Maryland Medical Research of Baltimore won a $100,000 contract from the National Cancer Institute of Bethesda for research and development services.

Orbital Sciences Corp. of Germantown won contracts of $73,990 and $60,540 from the Air Force for general-purpose equipment.

Main Industries Inc. of Newport News, Va., won a $58,350 contract from the Coast Guard for ships and marine equipment.

Northrop Grumman Corp. of Linthicum Heights, Md., won a $57,750 contract from the Air Force for electrical parts.

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