Department of Homeland Security NAICS 541990 and PSC R425 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541990 · PSC R425

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$26,647,114,112

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541990 and PSC R425

Macaulay-brown, Inc.

Dayton, OH

Dayton, OH | 5 awards | Top agency General Services Administration | NAICS 541511

$3,926,425

Akima Systems Engineering LLC

Herndon, VA

Herndon, VA | 233 awards | Top agency Department of Defense | NAICS 541512

$106,536,292

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$655,600,634

Catapult Consultants LLC

Fredericksburg, VA

Fredericksburg, VA | 5 awards | Top agency Department of Defense | NAICS 541611

$26,020,811

Ensco INC

Vienna, VA

Vienna, VA | 124 awards | Top agency Department of Defense | NAICS 541712

$334,192,529

Asrc Federal Professional Services, LLC

Beltsville, MD

Beltsville, MD | 54 awards | Top agency Department of Defense | NAICS 561611

$135,283,342

Cherokee Nation Government Solutions LLC

Tulsa, OK

Tulsa, OK | 56 awards | Top agency Department of Defense | NAICS 541330

$23,448,061

Prescient Edge Corporation

Mc Lean, VA

Mc Lean, VA | 78 awards | Top agency General Services Administration | NAICS 541715

$8,265,128

Fedwriters, Inc.

Fairfax, VA

Fairfax, VA | 256 awards | Top agency Department of Commerce | NAICS 541611

$29,473,515

Suvi Global Services LLC

Herndon, VA

Herndon, VA | 70 awards | Top agency Department of Justice | NAICS 541512

$27,955,362

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