Department of Homeland Security NAICS 561210 and PSC R499 contractors

Facilities Support Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 561210 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$11,160,976,958

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 561210 and PSC R499

Amentum Services, Inc.

Chantilly, VA

Chantilly, VA | 1,909 awards | Top agency Department of Defense | NAICS 561210

$7,198,073,558

Caci Intelligence Solutions, LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$57,742,442

Paragon Systems INC

Herndon, VA

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

$200,483,317

Centerra Group, LLC

Herndon, VA

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

$390,897,507

Alutiiq Global Solutions, LLC

Anchorage, AK

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

$80,479,780

Avantus Federal LLC

Mc Lean, VA

Mc Lean, VA | 95 awards | Top agency Department of Defense | NAICS 541330

$283,465,535

Tatitlek Technologies, LLC

Anchorage, AK

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

$532,565,146

Akima Global Logistics, LLC

Herndon, VA

Herndon, VA | 118 awards | Top agency Department of Defense | NAICS 561210

$77,346,037

Brillient Corporation

Reston, VA

Reston, VA | 55 awards | Top agency Department of Homeland Security | NAICS 561210

$509,728,945

Mvm, Inc.

Ashburn, VA

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

$239,607,665

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