PSC Z1NZ Maintenance of Other Utilities

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Possible NAICS Codes
238210 – Electrical Contractors and Other Wiring Installation Contractors
237110 – Water and Sewer Line and Related Structures Construction
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238990 – All Other Specialty Trade Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
333921 – Elevator and Moving Stairway Manufacturing
561990 – All Other Support Services
238290 – Other Building Equipment Contractors