Possible NAICS Codes
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction
237130 – Power and Communication Line and Related Structures Construction
238990 – All Other Specialty Trade Contractors
237120 – Oil and Gas Pipeline and Related Structures Construction
238290 – Other Building Equipment Contractors
561210 – Facilities Support Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
221122 – Electric Power Distribution
221310 – Water Supply and Irrigation Systems