Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541512 – Computer Systems Design Services
237310 – Highway, Street, and Bridge Construction
238160 – Roofing Contractors
238290 – Other Building Equipment Contractors
238350 – Finish Carpentry Contractors
561210 – Facilities Support Services
332311 – Prefabricated Metal Building and Component Manufacturing