NAICS 562211 contractors: Hazardous Waste Treatment and Disposal
33 federal prime contractors list NAICS 562211 as their primary industry. Together they received $1.1B in prime contract obligations in the latest 12 months. The largest by obligations since FY2022 is Washington River Protection Solutions LLC, and most are headquartered in California, Pennsylvania, and Indiana.
All 33 contractors
Ranked by prime contract obligations since FY2022, across all their NAICS codes. Open a profile for top agencies, recent awards, and contracts ending soon.
Prime contract obligations from USAspending.gov through Oct 5, 2026. A contractor's primary NAICS is the code with the most obligations since FY2022. For the largest contractors in this NAICS by obligations under it, see the NAICS 562211 market page. To search by name, UEI, or CAGE code, use the contractor directory.
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