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

Martin Marietta Corp. in Glen Burnie, Md., won a $145,740,708 contract from the Navy to produce towed arrays for various classes of submarines.

Westinghouse Electronic Corp. in Baltimore won a $23,527,000 contract from the Air Force to supply transportable, long-range defensive radars with associated spare parts and support equipment.

AAI Corp. in Cockeysville, Md., won a $2,671,102 contract from the Air Force to supply instruments and laboratory equipment.

R.R. Donnelley & Sons in Falls Church won a $2,309,400 contract from the Government Printing Office for printing services.

Management Systems Designers Inc. in Vienna won a $1,260,730 contract from the National Cancer Institute to supply hardware and software.

Decision-Science Applications Inc. in Arlington won a $1,250,000 contract from the Air Force for expert and consultant services.

Heritage Builders Inc. in Gaithersburg won a $1,115,900 contract from the Navy for construction of new family quarters at Foxville Gardens.

Planning Systems Inc. in McLean won an $865,288 contract from the Navy to provide operational assessment analysis support services.

Mitre Corp. in McLean won a $750,000 contract from the Internal Revenue Service to provide interim integration support services for development of the target architecture for the IRS tax systems modernization effort.

Frank Parsons Paper Co. Inc. in Landover won a $695,630 contract from the Treasury Department to supply coated cover stock.

Systems Integration Group Inc. in Hyattsville won a $552,000 contract from the Agency of International Development to provide IBM PS/2s and LANs, including hardware, software support, training and maintenance services.

Applied Research Corp. in Landover won a $497,000 contract from NASA for research work on a low-cost solid-state star tracker.

Moore Business Forms Inc. in Arlington won a $483,200 contract from the Government Printing Office to provide printing services.

Annapolis Commerce Park Limited Partnership in Annapolis won a $451,200 contract from the General Services Administration to lease real property.

Quality Controls Inc. in Chesapeake, Va., won a $447,717 contract from the Navy to replace an underground natural gas system.

Techmatics Inc. in Arlington won a $423,738 contract from the Navy to provide a life cycle management program and engineering, technical and analytical support services.

Directed Technologies Inc. in Arlington won a $341,418 contract from the Navy to provide research work.

ARC Professional Services Group in Rockville won a $325,368 contract from the Navy to provide technical and management support services required to assist the remote ocean sensing system program.

G.T. Painting & Construction Co. Inc. in Hopewell, Va., won a $324,000 contract from the Army for interior painting and floor-finishing services.

Ulysses Contractors Inc. in Olney won a $312,000 contract from the Navy to renovate toilet rooms.

Vitel Inc. in Chantilly won a $303,578 contract from the National Oceanic and Atmospheric Administration to provide data acquisition and monitoring system demodulators.

Max of D.C. Inc. in Alexandria won a $295,000 contract from the Navy to provide erosion control.

Virtexco Corp. in Norfolk won a $269,206 contract from the Navy to provide repairs to 620 buildings.

Richardson Coal Sales Inc. in Roanoke won a $261,000 contract from the Defense Fuel Supply Center to furnish coal.

Unisys Corp. in Reston won a $251,000 contract from the Coast Guard to provide command display and control system components.

Top Painting Co. in Hampton, Va., won a $231,400 contract from the Army to provide painting services.

Booz-Allen & Hamilton in Bethesda won a $220,000 contract from the Navy to provide system engineering and technical assistance for ship/shore telecommunications.

Norfolk Shipbuilding & Drydock Corp. in Norfolk won a $205,026 contract from the Navy to provide advance planning work for the FY-91 Drydocking Phased Maintenance Availability of USS Saginaw and the USS La Moure County.

Pool's Window & Door Service Inc. in Newport News won a $200,000 contract from the Navy to replace a window.

Science Applications International Corp. in McLean won a $199,751 contract from the Navy to provide research and documentation services to the ASW model.

Metro Printing & Copying in Beltsville won a $190,988 contract from the Government Printing Office to provide short-run printing services.

Connolly Roll-A-Grill Corp. in Richmond won a $150,000 contract from the General Services Administration to provide food service handling refrigeration and storage equipment.

T.A. Sheets Mechanical General Contractors Inc. in Norfolk won a $149,489 contract from the Navy to provide construction services.

Terry Inc. in Kensington won a $130,485 contract from the Defense General Supply Center to furnish a sheet metal forming machine.

Rhode and Schwarz Inc. in Lanham won a $126,020 contract from the Navy to provide an interference analyzer-receiver.

Falcon Micro Systems Inc. in Landover won a $120,157 contract from the Air Force to supply a high-speed graphics workstation.

Smith & Wesson in Arlington won a $118,646 contract from the Department of Justice to supply .38-caliber revolvers.