Possible NAICS Codes
237120 – Oil and Gas Pipeline and Related Structures Construction
236220 – Commercial and Institutional Building Construction
238990 – All Other Specialty Trade Contractors
561210 – Facilities Support Services
237990 – Other Heavy and Civil Engineering Construction
541330 – Engineering Services
236210 – Industrial Building Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
237110 – Water and Sewer Line and Related Structures Construction