Department of Defense NAICS 541611 and PSC R499 contractors

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

Department of Defense · NAICS 541611 · PSC R499

Last updated: April 17, 2026

Visible recipients

161

Mapped obligations

$102,688,738,690

State overlap

Top recipients

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

Tista Science And Technology Corporation

Rockville, MD

Rockville, MD | 37 awards | Top agency Department of Veterans Affairs | NAICS 541512

$173,827,993

Chickasaw Advisory Services, LLC

Norman, OK

Norman, OK | 5 awards | Top agency Department of Health and Human Services | NAICS 541519

$61,049,450

Visionary Integration Professionals LLC

Folsom, CA

Folsom, CA | 15 awards | Top agency Department of Homeland Security | NAICS 541512

$66,473,877

Sev1tech, LLC

Woodbridge, VA

Woodbridge, VA | 225 awards | Top agency Department of Defense | NAICS 541712

$162,274,781

Tetra Tech, Inc.

Pasadena, CA

Pasadena, CA | 260 awards | Top agency Department of Defense | NAICS 541330

$531,934,759

Icf Consulting Group, Inc.

Reston, VA

Reston, VA | 5 awards | Top agency Office of Personnel Management | NAICS 611430

$2,004,994

Asrc Federal Technology Solutions, LLC

Reston, VA

Reston, VA | 144 awards | Top agency Department of Defense | NAICS 541611

$147,125,352

Kadiak LLC

Anchorage, AK

Anchorage, AK | 175 awards | Top agency Department of Defense | NAICS 541611

$242,109,207

Jacobs Engineering Group Inc.

Arlington, VA

Arlington, VA | 308 awards | Top agency Department of Defense | NAICS 541330

$146,851,221

Tatitlek Technologies, LLC

Anchorage, AK

Anchorage, AK | 238 awards | Top agency Department of State | NAICS 561210

$227,655,831

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