Possible NAICS Codes
237990 – Other Heavy and Civil Engineering Construction
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
237310 – Highway, Street, and Bridge Construction
236115 – New Single-Family Housing Construction (except For-Sale Builders)
238140 – Masonry Contractors
238990 – All Other Specialty Trade Contractors
541360 – Geophysical Surveying and Mapping Services
561210 – Facilities Support Services