Water Supply and Irrigation Systems

221310

Sewage Treatment Facilities

221320

New Single-Family Housing Construction (except For-Sale Builders)

236115

New Multi-family Housing Construction (except For-Sale Builders)

236116

New Housing For-Sale Builders

236117

Residential Remodelers

236118

Yes Commercial and Institutional Building Construction

236220

Water and Sewer Line and Related Structures Construction

237110

Oil and Gas Pipeline and Related Structures Construction

237120

Power and Communication Line and Related Structures Construction

237130

Land Subdivision

237210

Highway, Street, and Bridge Construction

237310

Other Heavy and Civil Engineering Construction

237990

Poured Concrete Foundation and Structure Contractors

238110

Structural Steel and Precast Concrete Contractors

238120

Framing Contractors

238130

Masonry Contractors

238140

Roofing Contractors

238160

Siding Contractors

238170

Other Foundation, Structure, and Building Exterior Contractors

238190

Electrical Contractors and Other Wiring Installing Contractors

238210

Plumbing, Heating, and Air-Conditioning Contractors

238220

Other Building Equipment Contractors

238290

Drywall and Insulation Contractors

238310

Painting and Wall Covering Contractors

238320

Flooring Contractors

238330

Tile and Terrazzo Contractors Entity

238340

Finish Carpentry Contractors

238350

Other Building Finishing Contractors

238390

Site Preparation Contractors

238910

All Other Specialty Trade Contractors

238990

Architectural Services

541310

Landscape Architectural Services

541320

Engineering Services

541330

Building Inspection Services

541350

Interior Design Services

541410

Industrial Design Services

541420

Administrative Management and General Management Consulting Services

541611

Environmental Consulting Services

541620