Possible NAICS Codes
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
336419 – Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238110 – Poured Concrete Foundation and Structure Contractors
238910 – Site Preparation Contractors
238330 – Flooring Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238160 – Roofing Contractors
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)