236116 New Multi-family Housing Construction
236210 Industrial Building Construction
236220 Commercial and Institutional Building Construction
237110 Water and Sewer Line and Related Structures Construction
237310 Highway, Street and Bridge Construction
237990 Other Heavy and Civil Engineering Construction
238110 Poured Concrete Foundation and Structure Contractors
238120 Structural Steel and Precast Concrete Contractors
238130 Framing Contractors
238140 Masonry Contractors
238160 Roofing Contractors
238170 Siding Contractors
238190 Other Foundation, Structure and Building Exterior Contractors
238350 Finish Carpentry Contractors
238390 Other Building Finishing Contractors
238910 Site Preparation Contractors