Department of Homeland Security NAICS 561612 and PSC R499 contractors

Security Guards and Patrol Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 561612 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$16,592,331,187

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 561612 and PSC R499

Alutiiq International Solutions, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 236220

$87,058,685

Paragon Systems INC

Herndon, VA

Herndon, VA | 691 awards | Top agency Department of Homeland Security | NAICS 561612

$7,180,333,206

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541690

$184,318,291

Centerra Group, LLC

Herndon, VA

Herndon, VA | 143 awards | Top agency Department of Energy | NAICS 561612

$4,751,851,684

Chenega Security & Protection Services, LLC

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 561612

$281,507,020

Alutiiq Global Solutions, LLC

Anchorage, AK

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

$58,478,146

Tatitlek Federal Services LLC

Anchorage, AK

Anchorage, AK | 230 awards | Top agency Department of State | NAICS 541611

$337,608,542

Mvm, Inc.

Ashburn, VA

Ashburn, VA | 28 awards | Top agency Department of Homeland Security | NAICS 561612

$2,890,603,781

Chenega Naswik International LLC

Chantilly, VA

Chantilly, VA | 182 awards | Top agency Department of Defense | NAICS 561612

$85,585,195

The Whitestone Group, Inc.

Reynoldsburg, OH

Reynoldsburg, OH | 67 awards | Top agency Department of Transportation | NAICS 561612

$506,556,210

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