Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238990 – All Other Specialty Trade Contractors
561210 – Facilities Support Services
238160 – Roofing Contractors
236210 – Industrial Building Construction
238290 – Other Building Equipment Contractors
238110 – Poured Concrete Foundation and Structure Contractors
238320 – Painting and Wall Covering Contractors