NAICS 56221

Waste Treatment & Disposal

Key Figures

Establishments
3,326
Census CBP · 2023
Employment
62,599
Census CBP · 2023
Market size
$24.8B
Census Economic Census · 2022

Figures are published for NAICS 56221 directly.

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Official definition

This industry comprises establishments primarily engaged in (1) operating waste treatment or disposal facilities (except sewer systems or sewage treatment facilities) or (2) the combined activity of collecting and/or hauling of waste materials within a local area and operating waste treatment or disposal facilities. Waste combustors or incinerators (including those that may produce byproducts, such as electricity), solid waste landfills, and compost dumps are included in this industry.

Source: US Census Bureau, 2017 NAICS Definitions. Public domain.

Which code does this activity belong in?

Waste Treatment and Disposal covers establishments that operate treatment or disposal facilities for waste materials, including incinerators, landfills, and compost operations. The boundary with Waste Collection lies in facility operation; establishments engaged solely in collecting and hauling waste without operating their own treatment or disposal facilities are classified in Waste Collection. Remediation and Other Waste Management Services covers different waste management activities such as cleanup of contaminated sites, activities distinct from the treatment and disposal operations that define this industry.

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