Possible NAICS Codes
237120 – Oil and Gas Pipeline and Related Structures Construction
561210 – Facilities Support Services
238990 – All Other Specialty Trade Contractors
236220 – Commercial and Institutional Building Construction
454310 – Fuel Dealers
213112 – Support Activities for Oil and Gas Operations
561990 – All Other Support Services
541330 – Engineering Services
236210 – Industrial Building Construction
541380 – Testing Laboratories