Department of Homeland Security NAICS 541512 and PSC DA01 contractors

Computer Systems Design Services. IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR). Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541512 · PSC DA01

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$73,622,140,529

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541512 and PSC DA01

Caci, Inc. - Federal

Chantilly, VA

Chantilly, VA | 1,121 awards | Top agency Department of Defense | NAICS 541512

$9,468,394,924

Deloitte Consulting LLP

Arlington, VA

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

$13,981,969,617

Leidos, Inc.

Reston, VA

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

$26,607,859,376

Salient Crgt, Inc.

Fairfax, VA

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

$3,474,905,703

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$3,227,721,459

Fcn, Inc.

Rockville, MD

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

$536,923,618

Microsoft Corporation

Redmond, WA

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

$3,657,941,606

Enterprise Resource Planned Systems International, LLC

Laurel, MD

Laurel, MD | 5 awards | Top agency Department of Homeland Security | NAICS 541512

$235,908,730

Steampunk, Inc.

Mc Lean, VA

Mc Lean, VA | 126 awards | Top agency Department of Homeland Security | NAICS 541512

$1,050,396,490

Softrams LLC

Arlington, VA

Arlington, VA | 60 awards | Top agency Department of Health and Human Services | NAICS 541511

$678,374,289

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