Department of Homeland Security NAICS 541990 and PSC B546 contractors

All Other Professional, Scientific, and Technical Services. SPECIAL STUDIES/ANALYSIS- SECURITY (PHYSICAL/PERSONAL). Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541990 · PSC B546

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$64,730,127

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541990 and PSC B546

Peraton Risk Decision Inc.

Loveland, CO

Loveland, CO | 54 awards | Top agency Office of Personnel Management | NAICS 561611

$26,070,093

Knowesis, Inc.

Fairfax, VA

Fairfax, VA | 39 awards | Top agency Department of Defense | NAICS 541611

$38,660,034

Agency profile

Loading buyer-level contractor and category paths

Home/Department of Homeland Security/NAICS 541990/PSC B546

Agency + NAICS + PSC page