Possible NAICS Codes
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238160 – Roofing Contractors
236220 – Commercial and Institutional Building Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
238990 – All Other Specialty Trade Contractors
237110 – Water and Sewer Line and Related Structures Construction
238290 – Other Building Equipment Contractors
562910 – Remediation Services
237120 – Oil and Gas Pipeline and Related Structures Construction