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

The Cadmus Group LLC

Arlington, VA

Arlington, VA | 289 awards | Top agency Environmental Protection Agency | NAICS 541620

$427,538,768

Ellumen, Inc.

Silver Spring, MD

Silver Spring, MD | 52 awards | Top agency Department of Defense | NAICS 541512

$29,784,273

Systems Plus, Inc.

Rockville, MD

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

$371,081,418

Ardent Management Consulting, LLC

Vienna, VA

Vienna, VA | 82 awards | Top agency Department of Homeland Security | NAICS 541511

$58,084,074

Iem International, Inc.

Raleigh, NC

Raleigh, NC | 39 awards | Top agency Department of Homeland Security | NAICS 541611

$383,606,209

Bowhead Mission Solutions, LLC

Springfield, VA

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

$40,243,050

Analytica LLC

Bethesda, MD

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

$17,894,524

Highlight Technologies, Inc.

Fairfax, VA

Fairfax, VA | 57 awards | Top agency Small Business Administration | NAICS 541611

$935,777,584

Old Harbor Solutions LLC

Anchorage, AK

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

$17,781,148

Aoc Solutions, INC

Fairfax, VA

Fairfax, VA | 23 awards | Top agency Department of Defense | NAICS 541611

$122,350,694

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