Department of Homeland Security NAICS 541611 and PSC R499 contractors

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

Department of Homeland Security · NAICS 541611 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$72,624,479,408

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC R499

Lmi Consulting, LLC

Tysons Corner, VA

Tysons Corner, VA | 256 awards | Top agency Department of Defense | NAICS 541330

$1,182,374,705

Amentum National Security Programs, INC

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$319,561,798

Systems Planning And Analysis, Inc.

Alexandria, VA

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

$805,509,282

Atlas Research LLC

Washington, DC

Washington, DC | 16 awards | Top agency Department of Veterans Affairs | NAICS 541611

$270,708,799

Noblis, Inc.

Reston, VA

Reston, VA | 372 awards | Top agency Department of Transportation | NAICS 541330

$1,196,271,202

Govcio, LLC

Fairfax, VA

Fairfax, VA | 94 awards | Top agency Department of Veterans Affairs | NAICS 541512

$365,221,818

Peraton Risk Decision Inc.

Loveland, CO

Loveland, CO | 54 awards | Top agency Office of Personnel Management | NAICS 561611

$314,785,466

Alutiiq Global Solutions, LLC

Anchorage, AK

Anchorage, AK | 5 awards | Top agency Department of Defense | NAICS 236220

$51,507,205

Maximus INC

Mclean, VA

Mclean, VA | 5 awards | Top agency Department of Justice | NAICS 541611

$168,158,053

Avantus Federal LLC

Mc Lean, VA

Mc Lean, VA | 95 awards | Top agency Department of Defense | NAICS 541330

$557,739,976

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