| North American Industry Classification System (NAICS) |
| 236210 – Industrial Building Construction |
238210 – Electrical Contractors and Other |
| 236220 – Commercial & Institutional Building Construction |
238220 – Plumbing, Heating, and Air-Conditioning |
| 237310 – Highway, Street, and Bridge Construction |
238290 – Other Building Equipment |
| 237990 – Other Heavy and Civil Engineering Construction |
238310 – Drywall and Insulation |
| 238110 – Poured Concrete Foundation and Structure |
238320 – Painting and Wall Covering |
| 238120 – Structural Steel and Precast Concrete |
238330 – Flooring |
| 238130 – Framing |
238340 – Tile and Terrazzo |
| 238140 – Masonry |
238350 – Finish Carpentry |
| 238150 – Glass and Glazing |
238390 – Other Building Finishing |
| 238160 – Roofing |
238910 – Site Preparation |
| 238170 – Siding |
238990 – All Other Specialty Trade |
