PSC Z1ND Maintenance of Sewage and Waste Facilities

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Possible NAICS Codes
221320 – Sewage Treatment Facilities
237110 – Water and Sewer Line and Related Structures Construction
562991 – Septic Tank and Related Services
236220 – Commercial and Institutional Building Construction
562998 – All Other Miscellaneous Waste Management Services
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238990 – All Other Specialty Trade Contractors
562119 – Other Waste Collection
562111 – Solid Waste Collection