General Services Administration NAICS 561210 and PSC R499 contractors

Facilities Support Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 561210 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$26,225,500,527

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 561210 and PSC R499

National Security Technologies, LLC

North Las Vegas, NV

North Las Vegas, NV | 5 awards | Top agency Department of Energy | NAICS 561210

$4,821,348,811

Amentum Services, Inc.

Chantilly, VA

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

$7,198,073,558

Cgi Federal Inc.

Fairfax, VA

Fairfax, VA | 1,056 awards | Top agency Department of State | NAICS 541512

$1,451,565,887

Kbr Wyle Services, LLC

Fulton, MD

Fulton, MD | 645 awards | Top agency Department of Defense | NAICS 541712

$2,888,572,364

Caci Intelligence Solutions, LLC

Herndon, VA

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

$57,742,442

Amentum Technology, Inc.

Tullahoma, TN

Tullahoma, TN | 491 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$4,343,807,798

Chenega Global Services LLC

San Antonio, TX

San Antonio, TX | 5 awards | Top agency Department of Defense | NAICS 562910

$115,446,821

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

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