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

238160 – Roofing 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 – Other Specialty Trade Contractors

333611 – Turbine and Turbine Generator Set Units Manufacturing

334118 – Computer Terminal and Other Computer Peripheral Equipment Manufacturing

334290 – Other Communications Equipment Manufacturing

334310 – Audio and Video Equipment Manufacturing

334413 – Semiconductor and Related Device Manufacturing

423420 – Office Equipment Merchant Wholesalers

423430 – Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

511210 – Software Publishers

517311 РWired Telecommunications Carriers

517911 РTelecommunications Resellers

517919 РAll Other Telecommunications 

518210 – Data Processing, Hosting, and Related Services

541330 – Engineering Services

541350 – Building Inspection Services

541380 – Testing Laboratories

541490 – Other Specialized Design Services

541511 – Custom Computer Programming Services

541512 – Computer Systems Design Services

541513 – Computer Facilities Management Services

541519 – Other Computer Related Services

541611 – Administrative Management and General Management Consulting Services

541613 – Marketing Consulting Services

541614 – Process, Physical Distribution, and Logistics Consulting Services

541618 – Other Management Consulting Services

541620 – Environmental Consulting Services

541690 – Other Scientific and Technical Consulting Services

561110 – Office Administrative Services/ Business Management Services

561621 – Security Systems Services (except Locksmiths)

562910 – Remediation Services

611420 – Computer Training

811211 – Consumer Electronics and Repair

811213 – Communication Equipment Repair and Maintenance

922160 – Fire Protections