NAICS

NORTH AMERICAN INDUSTRY CLASSIFICATION SYSTEM

236210 – 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 РWired Telecommunications Carriers

517911 РTelecommunications Resellers

517919 РAll 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