Top federal contractors for National Science Foundation.

Lockheed Martin Corporation

Fort Worth, TX · Department of Defense

Space Exploration Technologies Corp.

Hawthorne, CA · National Aeronautics and Space Administration

Battelle Memorial Institute

Richland, WA · Department of Energy

Atlas Research LLC

Washington, DC · Department of Veterans Affairs

By Light Professional It Services LLC

Mclean, VA · Department of Veterans Affairs

Riva Solutions INC

Mc Lean, VA · Department of Health and Human Services

Akima Data Management LLC

Herndon, VA · Department of Defense

Bluehalo, LLC

Dayton, OH · Department of Defense

Sentar, Inc.

Huntsville, AL · Department of Defense

Peraton Labs INC

Basking Ridge, NJ · Department of Defense

Trideum Corporation

Huntsville, AL · Department of Defense

Icf Macro INC

Reston, VA · Department of Health and Human Services

Anika Systems Incorporated

Leesburg, VA · Department of the Treasury

Geosyntec Consultants, Inc.

Boca Raton, FL · Department of Defense

Aptive Resources LLC

Alexandria, VA · Department of Veterans Affairs

Creatv Microtech INC

Potomac, MD · Department of Health and Human Services

Peraton Services & Solutions Inc.

Herndon, VA · National Aeronautics and Space Administration

Insight Policy Research, Inc.

Arlington, VA · Department of Health and Human Services

Alluvionic INC

Melbourne, FL · Department of Defense

National Institute Of Aerospace Associates

Hampton, VA · National Aeronautics and Space Administration

Kuukpik Arctic Catering, LLC

Anchorage, AK · Environmental Protection Agency

Global Evaluation & Applied Research Solutions (gears), Inc.

Atlanta, GA · Department of Health and Human Services

Austal USA Advanced Technologies, Inc.

Charlottesville, VA · Department of Defense

Mantech Mgs, Inc.

Herndon, VA · Department of Defense