Naics Codes

236210 Industrial Building Construction

237110 Water and Sewer Line and Related Structures Construction

237130 Power and Communications 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

238190 Other Foundation, Structure, and Building Exterior Contractors

238220 Plumbing, Heating, and Air Conditioning Contractors

238910 Site Preparation/Demolition

332311 Prefabricated Metal Building and Component Manufacturing

541310 Architectural Services

541330 Engineering Services