Naics code Naics crossreference
56221 Collecting, treating, and disposing waste through sewer systems or sewage treatment facilities--are classified in Industry 22132, Sewage Treatment Facilities
56221 Manufacturing compost--are classified in Industry 32531, Fertilizer and Compost Manufacturing
56221 Pumping (i.e., cleaning) cesspools, portable toilets, and septic tanks or renting portable toilets--are classified in Industry 56299, All Other Waste Management Services.
562211 Operating landfills for the disposal of nonhazardous solid waste--are classified in U.S. Industry 562212, Solid Waste Landfill
562211 Operating combustors and incinerators for the disposal of nonhazardous solid waste--are classified in U.S. Industry 562213, Solid Waste Combustors and Incinerators
562211 Collecting, treating, and disposing waste through sewer systems or sewage treatment facilities--are classified in Industry 221320, Sewage Treatment Facilities
562211 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
562211 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.
562212 Operating treatment and/or disposal facilities for hazardous waste--are classified in U.S. Industry 562211, Hazardous Waste Treatment and Disposal
562212 Operating combustors and incinerators for the disposal of nonhazardous solid waste--are classified in U.S. Industry 562213, Solid Waste Combustors and Incinerators