Department of Homeland Security NAICS 541990 and PSC R499 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541990 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$16,624,909,430

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541990 and PSC R499

Bowhead Mission Solutions, LLC

Springfield, VA

Springfield, VA | 47 awards | Top agency General Services Administration | NAICS 541330

$63,158,970

Analytica LLC

Bethesda, MD

Bethesda, MD | 103 awards | Top agency Department of the Treasury | NAICS 541512

$29,459,194

Link Solutions INC

Mc Lean, VA

Mc Lean, VA | 51 awards | Top agency Department of Defense | NAICS 541512

$101,132,615

Old Harbor Solutions LLC

Anchorage, AK

Anchorage, AK | 66 awards | Top agency Department of Defense | NAICS 541611

$12,629,550

Trillion Technology Solutions INC

Reston, VA

Reston, VA | 57 awards | Top agency Department of Homeland Security | NAICS 541512

$21,542,892

Knowesis, Inc.

Fairfax, VA

Fairfax, VA | 39 awards | Top agency Department of Defense | NAICS 541611

$62,650,982

Bluepath Labs LLC

Washington, DC

Washington, DC | 104 awards | Top agency Department of Energy | NAICS 541990

$22,514,595

Aveshka, Inc.

Vienna, VA

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

$156,876,080

Veritas Management Group, Inc.

Alpharetta, GA

Alpharetta, GA | 34 awards | Top agency Department of Health and Human Services | NAICS 541990

$46,640,506

Venesco LLC

Chantilly, VA

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

$86,739,699

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