Department of Homeland Security NAICS 541990 and PSC R704 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- MANAGEMENT: AUDITING. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541990 · PSC R704

Last updated: April 9, 2026

Visible recipients

Mapped obligations

$885,360,526

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541990 and PSC R704

Guidehouse LLP

Mc Lean, VA

Mc Lean, VA | 134 awards | Top agency Department of State | NAICS 541611

Integrated Finance And Accounting Solutions, Llc.

Washington, DC

Washington, DC | 193 awards | Top agency Department of State | NAICS 541219

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