Department of Homeland Security NAICS 541512 contractors

Computer Systems Design Services. Contractors in this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

142

Mapped obligations

$149,771,103,180

Visible recipients tied to Department of Homeland Security and NAICS 541512

Mantech Advanced Systems International, Inc.

Herndon, VA

Herndon, VA | 683 awards | Top agency Department of Defense | NAICS 541330

$2,536,824,154

Peraton Enterprise Solutions LLC

Chantilly, VA

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

$13,142,256,641

Fcn, Inc.

Rockville, MD

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

$180,630,248

Anduril Industries, Inc.

Costa Mesa, CA

Costa Mesa, CA | 180 awards | Top agency Department of Defense | NAICS 334511

$876,913,566

Hms Technologies, Inc.

Martinsburg, WV

Martinsburg, WV | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$211,748,213

Ecs Federal, LLC

Fairfax, VA

Fairfax, VA | 401 awards | Top agency Department of Defense | NAICS 541512

$1,345,284,849

Acuity INC

Reston, VA

Reston, VA | 24 awards | Top agency Department of State | NAICS 541512

$217,386,349

Alutiiq 3sg, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 541330

$67,217,003

Jacobs Technology Inc.

Huntsville, AL

Huntsville, AL | 5 awards | Top agency Department of Defense | NAICS 541511

$88,585,986

Microsoft Corporation

Redmond, WA

Redmond, WA | 514 awards | Top agency Department of Defense | NAICS 541512

$3,302,913,896

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