Department of Defense NAICS 541330 and PSC R499 contractors

Engineering Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Defense.

Department of Defense · NAICS 541330 · PSC R499

Last updated: April 17, 2026

Visible recipients

156

Mapped obligations

$295,426,329,118

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541330 and PSC R499

Barbaricum LLC

Washington, DC

Washington, DC | 101 awards | Top agency Department of Defense | NAICS 339999

$96,387,187

Aretum LLC

Bethesda, MD

Bethesda, MD | 10 awards | Top agency Department of Veterans Affairs | NAICS 513210

$3,500

Aveshka, Inc.

Vienna, VA

Vienna, VA | 62 awards | Top agency Department of Health and Human Services | NAICS 541990

$71,686,093

Arctic Slope Technical Services, Inc.

Beltsville, MD

Beltsville, MD | 126 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$240,180,570

Venesco LLC

Chantilly, VA

Chantilly, VA | 64 awards | Top agency Department of Defense | NAICS 541330

$95,034,245

Usfalcon INC

Cary, NC

Cary, NC | 66 awards | Top agency Department of Defense | NAICS 541712

$328,717,558

Aalis Management Consulting LLC

Woodbridge, VA

Woodbridge, VA | 29 awards | Top agency Department of the Interior | NAICS 541611

$6,577,906

Icf Incorporated

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Health and Human Services | NAICS 541611

$2,112,979,714

Cognosante Cds, LLC

Arlington, VA

Arlington, VA | 20 awards | Top agency Department of Homeland Security | NAICS 541512

$98,182,816

Solutions Through Innovative Technologies INC

Fairborn, OH

Fairborn, OH | 72 awards | Top agency Department of Defense | NAICS 541330

$639,321,874

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