Department of State NAICS 541330 and PSC R499 contractors

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

Department of State · NAICS 541330 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$61,876,202,589

State overlap

Top recipients

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

The Mil Corporation

Bowie, MD

Bowie, MD | 189 awards | Top agency Department of Defense | NAICS 541519

$751,981,084

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$594,758,035

Inalab Consulting, Inc.

Fairfax, VA

Fairfax, VA | 136 awards | Top agency Department of Defense | NAICS 541330

$80,606,907

Michael Baker International, Inc.

Moon Township, PA

Moon Township, PA | 58 awards | Top agency Department of Defense | NAICS 541330

$629,929,751

Nika Technologies INC

Rockville, MD

Rockville, MD | 40 awards | Top agency Department of Defense | NAICS 561210

$290,861,146

Cape Fox Federal Integrators, LLC

Chantilly, VA

Chantilly, VA | 32 awards | Top agency Department of Defense | NAICS 541330

$109,453,732

Systems Plus, Inc.

Rockville, MD

Rockville, MD | 56 awards | Top agency Department of Defense | NAICS 541330

$730,051,524

Jefferson Consulting Group LLC

Washington, DC

Washington, DC | 103 awards | Top agency Agency for International Development | NAICS 541611

$156,709,689

Chenega Security International, LLC

Chantilly, VA

Chantilly, VA | 28 awards | Top agency Department of Defense | NAICS 561612

$105,088,507

Barbaricum LLC

Washington, DC

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

$96,387,187

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