Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
238290 – Other Building Equipment Contractors
332321 – Metal Window and Door Manufacturing
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
562991 – Septic Tank and Related Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
238160 – Roofing Contractors