Department of Homeland Security NAICS 541611 and PSC R699 contractors

Administrative Management and General Management Consulting Services. SUPPORT- ADMINISTRATIVE: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC R699

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$3,914,583,618

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC R699

Knowesis, Inc.

Fairfax, VA

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

$234,826,596

Bluepath Labs LLC

Washington, DC

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

$10,852,163

Aveshka, Inc.

Vienna, VA

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

$155,992,419

Venesco LLC

Chantilly, VA

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

$21,201,561

Aalis Management Consulting LLC

Woodbridge, VA

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

$16,379,734

Cognosante Cds, LLC

Arlington, VA

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

$109,538,294

Zantech It Services, Inc.

Reston, VA

Reston, VA | 51 awards | Top agency Department of Homeland Security | NAICS 541611

$198,268,459

Alutiiq Business Services, LLC

Anchorage, AK

Anchorage, AK | 5 awards | Top agency Department of Defense | NAICS 611519

$105,093,918

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