Possible NAICS Codes
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
336611 – Ship Building and Repairing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
333921 – Elevator and Moving Stairway Manufacturing
236210 – Industrial Building Construction
237110 – Water and Sewer Line and Related Structures Construction
238990 – All Other Specialty Trade Contractors
238290 – Other Building Equipment Contractors
237130 – Power and Communication Line and Related Structures Construction