Department of Homeland Security NAICS 541712 and PSC R799 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology). SUPPORT- MANAGEMENT: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541712 · PSC R799

Last updated: April 9, 2026

Visible recipients

Mapped obligations

$1,255,933,035

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541712 and PSC R799

Caci Technologies, LLC

Chantilly, VA

Chantilly, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$1,241,055,473

S & K Technologies, Inc.

Saint Ignatius, MT

Saint Ignatius, MT | 5 awards | Top agency Department of Defense | NAICS 561210

$14,881,230

S4 INC

Bedford, MA

Bedford, MA | 5 awards | Top agency Small Business Administration | NAICS 517110

-$3,668

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