Department of the Interior NAICS 541715 and PSC R499 contractors in Virginia

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SUPPORT- PROFESSIONAL: OTHER. Deepest cross-filter overlap.

Virginia · Department of the Interior

Last updated: April 9, 2026

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$3,822,802,088

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Visible recipients tied to Department of the Interior, Virginia, NAICS 541715, and PSC R499

Caci, Inc. - Federal

Chantilly, VA

Chantilly, VA | 1,121 awards | Top agency Department of Defense | NAICS 541512

$2,696,600,497

Systems Planning And Analysis, Inc.

Alexandria, VA

Alexandria, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$733,398,831

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$392,179,999

Southland Industries

Sterling, VA

Sterling, VA | 15 awards | Top agency Department of Defense | NAICS 541330

$622,761

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