Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
236210 – Industrial Building Construction
238330 – Flooring Contractors
561210 – Facilities Support Services
238160 – Roofing Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238910 – Site Preparation Contractors
238120 – Structural Steel and Precast Concrete Contractors
238290 – Other Building Equipment Contractors