2022 NAICS national industry in sector 56 Administrative and Support and Waste Management and Remediation Services
562211 Hazardous Waste Treatment and Disposal
NAICS 562211 is the US industry code for hazardous waste treatment and disposal. This U.S.
- Code
- 562211 (2022 NAICS)
- Title
- Hazardous Waste Treatment and Disposal
- Part of
- Waste Treatment and Disposal
- SBA small business limit
- Average annual receipts up to $47 million
- Closest UK SIC
- 38220 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This U.S. industry comprises establishments primarily engaged in (1) operating treatment and/or disposal facilities for hazardous waste or (2) the combined activity of collecting and/or hauling of hazardous waste materials within a local area and operating treatment or disposal facilities for hazardous waste.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Operating landfills for the disposal of nonhazardous solid waste are classified in U.S. Industry 562212, Solid Waste Landfill.
- Operating combustors and incinerators for the disposal of nonhazardous solid waste are classified in U.S. Industry 562213, Solid Waste Combustors and Incinerators.
- Collecting, treating, and disposing waste through sewer systems or sewage treatment facilities are classified in Industry 221320, Sewage Treatment Facilities.
- Operating nonhazardous waste treatment and disposal facilities (except landfills, combustors, incinerators, and sewer systems or sewage treatment facilities) are classified in U.S. Industry 562219, Other Nonhazardous Waste Treatment and Disposal.
- Pumping (i.e., cleaning) cesspools, portable toilets, and septic tanks or renting portable toilets are classified in U.S. Industry 562991, Septic Tank and Related Services.
Activities listed under 562211
The Census index assigns these 17 activities to this code. If your business matches one, this is your code.
- Acid waste disposal facilities
- Acid waste treatment facilities
- Combustors, hazardous waste
- Hazardous waste disposal facilities
- Hazardous waste disposal facilities combined with collection and/or local hauling of hazardous waste
- Hazardous waste material disposal facilities
- Hazardous waste material treatment facilities
- Hazardous waste treatment facilities
- Hazardous waste treatment facilities combined with collection and/or local hauling of hazardous waste
- Incinerators, hazardous waste, operating
- Medical waste treatment facilities, hazardous
- Radioactive waste collecting and/or local hauling in combination with disposal and/or treatment facilities
- Radioactive waste disposal facilities
- Radioactive waste treatment facilities
- Waste disposal facilities, hazardous
- Waste treatment facilities, hazardous
- Waste treatment plants, hazardous
SBA size standard for 562211
To count as a small business for SBA loans and federal contracts under NAICS 562211, your business (including affiliates) must not exceed $47 million in average annual receipts. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 3822), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.