Department of Homeland Security NAICS 561612 contractors

Security Guards and Patrol Services. Contractors in this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$25,991,729,812

Visible recipients tied to Department of Homeland Security and NAICS 561612

Alutiiq International Solutions, LLC

Anchorage, AK

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

$22,352,836

Paragon Systems INC

Herndon, VA

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

$6,979,888,889

Alutiiq 3sg, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 541330

$90,343,805

Gardaworld Federal Services LLC

Arlington, VA

Arlington, VA | 72 awards | Top agency Department of State | NAICS 561612

$1,306,914,217

Ahtna Technical Services, Inc.

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Homeland Security | NAICS 561612

$253,379,448

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

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

$30,541,517

Triple Canopy INC

Herndon, VA

Herndon, VA | 326 awards | Top agency Department of State | NAICS 561612

$5,960,699,579

Centerra Group, LLC

Herndon, VA

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

$4,605,706,516

Chenega Security & Protection Services, LLC

Chantilly, VA

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

$265,754,810

Alutiiq-mele LLC

Anchorage, AK

Anchorage, AK | 5 awards | Top agency Department of Defense | NAICS 561210

$36,215,374

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