Possible NAICS Codes
237990 – Other Heavy and Civil Engineering Construction
237130 – Power and Communication Line and Related Structures Construction
237110 – Water and Sewer Line and Related Structures Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561210 – Facilities Support Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
238160 – Roofing Contractors
237120 – Oil and Gas Pipeline and Related Structures Construction