Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
238160 – Roofing Contractors
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238990 – All Other Specialty Trade Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238330 – Flooring Contractors
238290 – Other Building Equipment Contractors
236210 – Industrial Building Construction