Department of Defense NAICS 541715 and PSC R499 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Defense.

Department of Defense · NAICS 541715 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$36,972,547,329

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541715 and PSC R499

Peraton Technology Services Inc.

Chantilly, VA

Chantilly, VA | 259 awards | Top agency General Services Administration | NAICS 541330

$786,636,920

American Systems Corporation

Mclean, VA

Mclean, VA | 295 awards | Top agency Department of Defense | NAICS 541330

$745,387,738

Securigence LLC

Leesburg, VA

Leesburg, VA | 71 awards | Top agency Department of Defense | NAICS 541511

$3,000

Metrostar Systems, LLC

Reston, VA

Reston, VA | 73 awards | Top agency Department of Defense | NAICS 541512

$159,535,004

Planned Systems International INC

Columbia, MD

Columbia, MD | 64 awards | Top agency Department of Defense | NAICS 541519

$301,433,446

Tatitlek Federal Services LLC

Anchorage, AK

Anchorage, AK | 230 awards | Top agency Department of State | NAICS 541611

$304,585,260

Janus Research Group, LLC

Evans, GA

Evans, GA | 103 awards | Top agency General Services Administration | NAICS 611430

$159,161,122

Bastion Technologies, Inc.

Houston, TX

Houston, TX | 169 awards | Top agency National Aeronautics and Space Administration | NAICS 541715

$420,735,329

Mantech Srs Technologies, Inc.

Herndon, VA

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

$392,179,999

Ensco INC

Vienna, VA

Vienna, VA | 124 awards | Top agency Department of Defense | NAICS 541712

$296,661,841

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