AT&T Government Solutions Inc. of Vienna won a 22-month, $26 million contract extension to continue providing additional video teleconferencing for the Defense Department.

SRA International Inc. of Fairfax won a six-year, $97 million contract for technical support for the Federal Aviation Administration's Financial Management Line of Business Center of Excellence.

General Dynamics Advanced Information Systems of Suffolk, Va., won a $92.6 million option under a previously awarded contract from the Naval Fleet and Industrial Supply Center for services in support of the U.S. Joint Forces Command's joint experimentation program and joint futures lab.

EDO Professional Services Inc. of Arlington won a contract worth up to $24.5 million from the Navy for operational, maintenance, calibration, repair, technical and engineering services in support of the Naval Air Systems Command Propulsion Systems Division's test facility and environment laboratory.

Coakley & Williams Construction Inc. of Gaithersburg won a $14.9 million design and construction contract from the Navy to replace a bachelors enlisted quarters at the Marine Corps Base at Quantico.

John C. Grimberg Co. of Rockville won an $8.4 million contract from the Navy for construction and drainage repairs at the Naval District Washington Anacostia Annex.

Colonial Energy Inc. of Fairfax won a contract worth up to $39.4 million from the Defense Logistics Agency to supply natural gas to various Defense Department and federal civilian agencies.

Pepco Energy Services of Arlington won a contract worth up to $15.9 million from the Defense Logistics Agency to supply natural gas to the Army.

Washington Gas Energy Services of Herndon won a contract worth up to $195 million from the Defense Logistics Agency to supply natural gas to the Army, Navy, Air Force, Marine Corps and federal civilian agencies.

Swales and Associates Inc. of Beltsville won a $33.7 million contract from the Navy for aerospace vehicle engineering technical services.

Allworld Language Consultants Inc. of Rockville won a $7 million contract from the Drug Enforcement Administration for translation services.

VGA Inc. of Laurel won a $3.2 million contract for special needs transportation, travel and relocation services for the Treasury Department's Bureau of the Public Debt.

Washington Technology contributed to this report.