Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures Construction
237310 – Highway, Street, and Bridge Construction
561210 – Facilities Support Services
237990 – Other Heavy and Civil Engineering Construction
541330 – Engineering Services
238110 – Poured Concrete Foundation and Structure Contractors
238140 – Masonry Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors