Agency + NAICS page

Department of Defense NAICS 562211 contractors

Hazardous Waste Treatment and Disposal. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Defense.

Agency: Department of Defense
Last updated: April 7, 2026

Visible recipients

3

Mapped obligations

$306,467,750

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 562211

Ecc Constructors LLC

Burlingame, CA

Ecc Constructors LLC is a federal category business profile based in Burlingame, CA. The current public data layer shows $389,010,988 in visible federal obligations across 61 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562119 (Other Waste Collection). The profile also shows meaningful product and service activity in PSC F999.

$210,389,514

Clean Harbors Environmental Services INC

Norwell, MA

Clean Harbors Environmental Services INC is a federal category business profile based in Norwell, MA. The current public data layer shows $20,527,027 in visible federal obligations across 1,632 awards or transactions. Department of Agriculture appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC R706.

$96,357,341

Trs Group, Inc.

Indianapolis, IN

Trs Group, Inc. is a federal category business profile based in Indianapolis, IN. The current public data layer shows $1,175,119 in visible federal obligations across 5 awards or transactions. Small Business Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The profile also shows meaningful product and service activity in PSC AJ13.

-$279,105