Department of Homeland Security NAICS 541330 and PSC B510 contractors

Engineering Services. SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC B510

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$554,676,210

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC B510

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

Michael Baker International Holdco Corporation

Moon Township, PA

Moon Township, PA | 5 awards | Top agency Department of Defense | NAICS 541330

Agency profile

Loading buyer-level contractor and category paths

Agency + NAICS + PSC page