NAICS Codes
- 233210 Single Family Housing Construction
- 233220 Multifamily Housing Construction
- 233310 Manufacturing & Industrial Building Construction
- 233320 Commercial & Institutional Building Construction
- 234120 Bridge & Tunnel Construction
- 234910 Pipeline Construction (Sewer, Gas, Oil & Water)
- 234930 Industrial Non-building Structure Construction
- 234990 All Other Heavy Construction, NEC
- 235110 Plumbing & HVAC
- 235210 Painting & Wall Covering Contractors
- 235310 Electrical
- 235410 Masonry & Stone Contractors
- 235420 Drywall, Plastering, Acoustical & Insulation
- 235510 Carpentry Contractors
- 235520 Floor Laying and Other Floor Contractors
- 235610 Roofing, Siding & Sheet Metal
- 235930 Excavation Contractors
- 235940 Wrecking & Demolition Contractors
- 235990 Other Special Trade Contractors, NEC
- 236115 New Single-Family Housing Const. (Except For-Sale Builders)
- 236116 New Multifamily Housing Construction (Except For-Sale Build)
- 236118 Residential Remodelers
- 236210 Industrial Building Construction
- 236220 Commercial & Institutional Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237120 Oil and Gas Pipeline and Related Structures Construction
- 237130 Power & Communication Line & Related Structures Const.
- 237310 Highway, Street & Bridge Construction
- 237990 Other Heavy & Civil Engineering Construction
- 238110 Poured Concrete Foundation & Structure Contractors
- 238120 Structural Steel & Pre-cast Concrete Contractors
- 238130 Flooring Contractor
- 238140 Masonry Contractors
- 238150 Glass & Glazing Contractors
- 238160 Roofing Contractors
- 238170 Siding Contractors
- 238190 Other Foundation, Structure & Building Exterior Contractors
- 238210 Electrical Contractors & Other Installation Contractors
- 238220 Plumbing, Heating & Air-Conditioning Contractors
- 238290 Other Building Equipment Contractors
- 238310 Drywall & Insulation Contractors
- 238320 Painting & Wall Covering Contractors
- 238330 Flooring Contractors
- 238340 Tile & Terrazzo Contractors
- 238350 Finish Carpentry Contractors
- 238390 Other Building Finishing Contractors
- 238910 Site Prep Contractors
- 238990 All Other Specialty Trade Contractors
- 327331 Concrete Block & Brick Manufacturing
- 335999 All Other Misc. Electrical Equip. & Component Manufacturing
- 541310 Architectural Services
- 541330 Engineering Services
- 561210 Facility Support Services
- 561621 Security Systems Services (Except Locksmiths)
- 562910 Remediation Services