Possible NAICS Codes
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
811210 – Electronic and Precision Equipment Repair and Maintenance
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238330 – Flooring Contractors
238160 – Roofing Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238990 – All Other Specialty Trade Contractors
334516 – Analytical Laboratory Instrument Manufacturing
541714 – Research and Development in Biotechnology (except Nanobiotechnology)