NAICS Code 562211: Hazardous Waste Treatment and Disposal
NAICS code 562211 is the industry for hazardous waste treatment and disposal in the Administrative and Support and Waste Management and Remediation Services sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.
Government contracts under NAICS 562211
Federal agencies obligated $5.1B on contracts under NAICS 562211 from FY2024 to FY2026, including $1.2B in FY2026. The biggest buyers were the Department of Energy, the Department of Defense, the Department of Health and Human Services. The largest contractors were Hanford Tank Waste Operations & Closure, LLC, Washington River Protection Solutions LLC, Bechtel Parsons Blue Grass, a Joint Venture.
See the full breakdown: government hazardous waste treatment and disposal contracts, who wins and who buys.
Open government bids for NAICS 562211
The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.
National Aeronautics and Space Administration · Combined Synopsis/Solicitation · NAICS 562211
Posted Oct 29, 2026 · Responses due Nov 2, 2026
Small business size standard for NAICS 562211
To bid on small business set-aside contracts under NAICS 562211, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.
Other NAICS codes in 5622
How to choose the right NAICS code
Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.
Related guides
Frequently asked questions
- What is NAICS code 562211?
- NAICS 562211 is the industry "Hazardous Waste Treatment and Disposal" in the North American Industry Classification System, part of the Administrative and Support and Waste Management and Remediation Services sector (56).
- What is the size standard for NAICS 562211?
- The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 562211 in the SBA table of size standards on sba.gov; it changes from time to time.
- Are there government contracts for NAICS 562211?
- Yes. Federal agencies obligated $5.1B on contracts under NAICS 562211 from FY2024 to FY2026, and 1 notices are open right now.