Sigma Research & Engineering Corp. of Lanham won a $99,819 contract from the Wright-Patterson Air Force Research Laboratory for a 3-D imaging and Polarimetric Lidar applicable to Mini/Micro Unmanned Aerial Vehicles.

Robbins-Gioia LLC of Alexandria won a $98,933 contract from the Army Materiel Command for program management support.

Whipp and Bourne Inc. of Norfolk won an $81,200 contract from the Naval Inventory Control Point for circuit breakers.

Quality Communications Group of Baltimore won an $81,000 contract from the Treasury Department's Bureau of the Public Debt for audit report writing courses in Washington, Boston, New York, Philadelphia, Atlanta, Chicago, Kansas City, Kan., Arlington, Texas, Denver, Seattle and Los Angeles.

THR Enterprises of Norfolk won a $79,200 contract from the Homeland Security Department's Coast Guard Civil Engineering Unit for heating, ventilating and air conditioning equipment.

Engineering & Management Executives Inc. of Alexandria won a $77,562 contract from the Army Field Support Command for research and development.

VGA Inc. of Laurel won a $74,290 contract from the Veterans Affairs Department's John D. Dingell Medical Center for patient transportation.

Smiths Aerospace Inc. of Germantown won a $73,964 contract from the Naval Inventory Control Point for program loaders.

AAI Corp. of Hunt Valley won a $73,859 contract from the Naval Inventory Control Point for power supply.

Total Networks of Woodstock won a $71,210 contract from the Commerce Department's National Oceanic and Atmospheric Administration for telephone networks and television cabling upgrades at NOAA ship Thomas Jefferson.