NAICS 561210 and PSC R799 contractors

Facilities Support Services. SUPPORT- MANAGEMENT: OTHER. Cross-code contractor overlap.

NAICS 561210 + PSC R799

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$10,855,577,367

State overlap

Top recipients

Visible recipients in the NAICS 561210 and PSC R799 overlap

Amentum Government Services, Inc.

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 811118

$323,849,351

Leidos Biomedical Research INC

Frederick, MD

Frederick, MD | 237 awards | Top agency Department of Health and Human Services | NAICS 561210

$6,313,395,822

Avantus Federal LLC

Mc Lean, VA

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

$268,968,944

Chickasaw Advisory Services, LLC

Norman, OK

Norman, OK | 5 awards | Top agency Department of Health and Human Services | NAICS 541519

$12,920,270

Shaw Infrastructure, Inc.

Monroeville, PA

Monroeville, PA | 5 awards | Top agency Department of Defense | NAICS 561210

$209,413,459

Chenega Integrated Mission Support, LLC

San Antonio, TX

San Antonio, TX | 1 awards | Top agency Department of Defense | NAICS 561210

$229,581,426

Servicesource INC

Oakton, VA

Oakton, VA | 228 awards | Top agency Department of Defense | NAICS 561210

$587,103,285

Akima Infrastructure Services LLC

Albuquerque, NM

Albuquerque, NM | 5 awards | Top agency Department of Defense | NAICS 541511

$38,926,856

Bastion Technologies, Inc.

Houston, TX

Houston, TX | 169 awards | Top agency National Aeronautics and Space Administration | NAICS 541715

$74,227,614

Akima Global Services, LLC

Herndon, VA

Herndon, VA | 48 awards | Top agency Department of Homeland Security | NAICS 561612

$128,077,315

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