Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
238990 – All Other Specialty Trade Contractors
237310 – Highway, Street, and Bridge Construction
238290 – Other Building Equipment Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
237990 – Other Heavy and Civil Engineering Construction
238160 – Roofing Contractors
238320 – Painting and Wall Covering Contractors