PRIMARY: 237310 - Highway, Street, and Bridge Construction
236220 - Contractors Commercial and Institutional Building Contractors
236118 - Residential Remodelers
236210 - Industrial Building Construction
237110 - Water and Sewer Line and Related Structures Construction
237130 - Power and Communication 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
238160 - Drywall and Insulation Contractors
238190 - Other Foundation, Structure and Building Exterior Contractors
238210 - Electrical Contractors and other Wiring Installation Contractors
238220 - Plumbing, Heating and Air Conditioning
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 - Roofing Contractor
238390 - Other Building Finishing Contractors
238910 - Site Preparation Contractors
238990 - All other Specialty Trade Contractors
332323 - Ornamental and Architectural Metal Work
Consulting Services:
811310 – Commercial and Industrial Machinery and
Equipment (except Automotive and Electric) Repair and Maintenance