Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
237990 – Other Heavy and Civil Engineering Construction
238990 – All Other Specialty Trade Contractors
561210 – Facilities Support Services
237310 – Highway, Street, and Bridge Construction
238910 – Site Preparation Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
237110 – Water and Sewer Line and Related Structures Construction
236210 – Industrial Building Construction
238330 – Flooring Contractors