• 236210 – Industrial Building Construction
• 236220 – Commercial and Institutional Building Construction
• 237990 – Other Heavy and Civil Engineering Construction
• 238110 – Poured Concrete Foundation and Structure Contractors
• 238130 – Framing Contractors
• 238160 – Roofing Contractors
• 238190 – Other Foundation, Structure and Building Exterior Contractors
• 238210 – Electrical Contractors and Other Wiring Installation 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
• 238350 – Finish Carpentry Contractors
• 238390 – Other Building Finishing Contractors
• 238990 – All Other Specialty Trade Contractors
• 561210 – Faculties Support Services