Department of Homeland Security PSC DA01 contractors

IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR). Contractors in this PSC lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$15,809,327,240

Visible recipients tied to Department of Homeland Security and PSC DA01

Caci, Inc. - Federal

Chantilly, VA

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

$1,659,186,992

Deloitte Consulting LLP

Arlington, VA

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

$1,886,043,092

Leidos, Inc.

Reston, VA

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

$4,852,366,075

Salient Crgt, Inc.

Fairfax, VA

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

$860,172,285

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$690,897,305

Fcn, Inc.

Rockville, MD

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

$356,293,370

Microsoft Corporation

Redmond, WA

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

$355,027,710

Palantir Technologies Inc.

Aventura, FL

Aventura, FL | 146 awards | Top agency Department of Defense | NAICS 511210

$172,003,943

Enterprise Resource Planned Systems International, LLC

Laurel, MD

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

$36,464,749

Steampunk, Inc.

Mc Lean, VA

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

$232,984,104

Page 1 of 71 2 3 4 5 6 7 Next

Agency profile

Loading buyer-level contractor and category paths