Department of Homeland Security NAICS 541512 and PSC R499 contractors

Computer Systems Design Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541512 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$175,477,852,222

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541512 and PSC R499

Guidehouse Digital LLC

Mc Lean, VA

Mc Lean, VA | 389 awards | Top agency Department of Homeland Security | NAICS 541512

$1,314,941,577

Credence Dynamo Solutions LLC

Vienna, VA

Vienna, VA | 102 awards | Top agency Department of Defense | NAICS 541330

$101,141,957

Reli Group INC

Windsor Mill, MD

Windsor Mill, MD | 119 awards | Top agency Department of Health and Human Services | NAICS 541611

$350,632,701

Alpha Omega Integration LLC

Vienna, VA

Vienna, VA | 93 awards | Top agency Department of Homeland Security | NAICS 541512

$432,887,026

Akima Systems Engineering LLC

Herndon, VA

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

$115,762,974

Chugach Technical Solutions LLC

Anchorage, AK

Anchorage, AK | 156 awards | Top agency Department of Defense | NAICS 541330

$111,288,257

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

Chesapeake, VA | 180 awards | Top agency Department of Health and Human Services | NAICS 541611

$250,972,359

Procentrix, LLC

Herndon, VA

Herndon, VA | 71 awards | Top agency Securities and Exchange Commission | NAICS 541519

$214,675,101

Compqsoft, Inc.

Leesburg, VA

Leesburg, VA | 73 awards | Top agency Department of Defense | NAICS 541519

$163,718,619

Ntt Data Federal Services, Inc.

Herndon, VA

Herndon, VA | 123 awards | Top agency Department of Justice | NAICS 541511

$747,685,009

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