Repair or Alteration of Water Supply Facilities
Possible NAICS Codes
237110 – Water and Sewer Line and Related Structures Construction
236220 – Commercial and Institutional Building Construction
221310 – Water Supply and Irrigation Systems
238220 – Plumbing, Heating, and Air-Conditioning Contractors
237310 – Highway, Street, and Bridge Construction
238990 – All Other Specialty Trade Contractors
561210 – Facilities Support Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
237990 – Other Heavy and Civil Engineering Construction
