Department of Homeland Security NAICS 541519 contractors

Other Computer Related Services. Contractors in this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

129

Mapped obligations

$62,629,111,568

Visible recipients tied to Department of Homeland Security and NAICS 541519

General Dynamics Information Technology, Inc.

Falls Church, VA

Falls Church, VA | 3,177 awards | Top agency Department of Defense | NAICS 541512

$6,517,638,278

Deloitte Consulting LLP

Arlington, VA

Arlington, VA | 1,829 awards | Top agency Department of Defense | NAICS 541512

$1,279,037,678

Leidos, Inc.

Reston, VA

Reston, VA | 9,621 awards | Top agency Department of Defense | NAICS 541512

$6,519,431,243

Bae Systems Technology Solutions & Services Inc.

Rockville, MD

Rockville, MD | 1,291 awards | Top agency Department of Defense | NAICS 541330

$808,659,304

Thundercat Technology, LLC

Reston, VA

Reston, VA | 1,742 awards | Top agency Department of Veterans Affairs | NAICS 541519

$6,549,093,669

Mantech Systems Engineering Corporation

Fairfax, VA

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

$6,410,536

Salient Crgt, Inc.

Fairfax, VA

Fairfax, VA | 254 awards | Top agency General Services Administration | NAICS 541512

$163,129,185

Peraton Enterprise Solutions LLC

Chantilly, VA

Chantilly, VA | 415 awards | Top agency Department of Defense | NAICS 541512

$10,016,549,111

Fcn, Inc.

Rockville, MD

Rockville, MD | 2,208 awards | Top agency Department of the Treasury | NAICS 541519

$7,008,199,078

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$84,399,711

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