Department of Homeland Security NAICS 541620 and PSC F108 contractors

Environmental Consulting Services. ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541620 · PSC F108

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$1,200,228,802

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541620 and PSC F108

Weston Solutions INC

West Chester, PA

West Chester, PA | 378 awards | Top agency Department of Defense | NAICS 236220

$958,897,248

Arcadis U.s., Inc.

Highlands Ranch, CO

Highlands Ranch, CO | 100 awards | Top agency Department of Defense | NAICS 541330

$145,890,934

Clean Harbors Environmental Services INC

Norwell, MA

Norwell, MA | 1,632 awards | Top agency Department of Agriculture | NAICS 562910

$95,440,620

Agency profile

Loading buyer-level contractor and category paths

Home/Department of Homeland Security/NAICS 541620/PSC F108

Agency + NAICS + PSC page