Department of Homeland Security NAICS 541519 and PSC D399 contractors

Other Computer Related Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541519 · PSC D399

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$86,269,481,410

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541519 and PSC D399

Agile Defense, LLC

Mclean, VA

Mclean, VA | 496 awards | Top agency Department of Defense | NAICS 541512

$526,934,800

General Dynamics One Source LLC

Falls Church, VA

Falls Church, VA | 158 awards | Top agency Department of Defense | NAICS 541512

$1,105,121,259

Mantech Mbi Inc.

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Commerce | NAICS 541519

$71,076,862

Macaulay-brown, Inc.

Dayton, OH

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

$2,957,874

Karsun Solutions LLC

Herndon, VA

Herndon, VA | 125 awards | Top agency Department of Transportation | NAICS 541519

$643,267,657

Semanticbits LLC

Reston, VA

Reston, VA | 54 awards | Top agency Department of Health and Human Services | NAICS 541519

$1,217,256,867

Decisionpoint Corporation

Gaithersburg, MD

Gaithersburg, MD | 120 awards | Top agency Department of Defense | NAICS 541513

$88,547,897

Compqsoft, Inc.

Leesburg, VA

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

$223,863,687

Inserso Corporation

Mc Lean, VA

Mc Lean, VA | 49 awards | Top agency Department of Homeland Security | NAICS 541512

$165,555,599

Xtec, Incorporated

Miami, FL

Miami, FL | 81 awards | Top agency General Services Administration | NAICS 541519

$531,091,154

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