NAICS
NORTH AMERICAN INDUSTRY CLASSIFICATION SYSTEM236210 – Industrial Building Construction
236220 – Commercial and Institutional Building Construction
238110 – Poured Concrete Foundation and Structure Contractors
238130 – Framing Contractors
238140 – Masonry Contractors
238150 – Glass and Glazing Contractors
238170 – Siding Contractors
238190 – Other Foundation, Structure, and Building Exterior Contractors
238210 – Electrical Contractors and Other Wiring Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238290 – Other Building Equipment Contractors
238310 – Drywall and Insulation Contractors
238320 – Painting and Wall Covering Contractors
238330 – Flooring Contractors
238340 – Tile and Terrazzo Contractors
238350 – Finish Carpentry Contractors
238390 – Other Building Finishing Contractors
238910 – Site Preparation Contractors
238990 – All Other Specialty Trade Contractors
332312 – Fabricated Structural Metal Manufacturing
332618 – Other Fabricated Wire Product Manufacturing
333611 – Turbine and Turbine Generator Set Units Manufacturing
517311 – Wired Telecommunications Carriers
517911 – Telecommunications Resellers
517919 – All Other Telecommunications
541330 – Engineering Services
541611 – Administrative Management and General Management Consulting Services
541614 – Process, Physical Distribution, and Logistics Consulting Services
561621 – Security Systems Services (except Locksmiths)
611420 – Computer Training
922160 – Fire Protections