Department of Homeland Security NAICS 541519 and PSC R499 contractors

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

Department of Homeland Security · NAICS 541519 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$55,669,208,209

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541519 and PSC R499

Tyonek Worldwide Services INC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 336412

$19,362,031

Tatitlek Technologies, LLC

Anchorage, AK

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

$209,554,753

Alpha Omega Integration LLC

Vienna, VA

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

$62,576,960

Akima Systems Engineering LLC

Herndon, VA

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

$41,070,816

Ensco INC

Vienna, VA

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

$323,304,883

Procentrix, LLC

Herndon, VA

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

$448,256,973

Compqsoft, Inc.

Leesburg, VA

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

$230,998,405

Ntt Data Federal Services, Inc.

Herndon, VA

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

$326,843,789

Global Alliant INC

Olney, MD

Olney, MD | 34 awards | Top agency Department of Health and Human Services | NAICS 541519

$119,769,285

A Square Group LLC

Frederick, MD

Frederick, MD | 45 awards | Top agency Department of Health and Human Services | NAICS 541512

$143,356,655

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