NAICS 561210 and PSC R425 contractors

Facilities Support Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code contractor overlap.

NAICS 561210 + PSC R425

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$30,947,595,075

State overlap

Top recipients

Visible recipients in the NAICS 561210 and PSC R425 overlap

Mantech Telecommunications And Information Systems Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$115,192,825

Amentum Services, Inc.

Chantilly, VA

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

$7,504,796,705

Kbr Wyle Services, LLC

Fulton, MD

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

$5,674,989,499

Alutiiq Pacific, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 561210

$285,239,022

Jacobs Technology Inc.

Huntsville, AL

Huntsville, AL | 5 awards | Top agency Department of Defense | NAICS 541511

$481,776,161

Amentum Technology, Inc.

Tullahoma, TN

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

$11,626,533,606

Avantus Federal LLC

Mc Lean, VA

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

$245,618,434

Sierra Lobo INC

Fremont, OH

Fremont, OH | 99 awards | Top agency National Aeronautics and Space Administration | NAICS 541715

$560,611,511

Tatitlek Technologies, LLC

Anchorage, AK

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

$467,088,255

Bastion Technologies, Inc.

Houston, TX

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

$133,061,071

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