Industrial Building Construction, Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors

Plumbing, Heating, and Air-Conditioning Contractors

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Residential Remodelers

All Other Specialty Trade Contractors

Poured Concrete Foundation and Structure Contractors, Other Foundation, Structure, and Building Exterior Contractors, Other Building Finishing Contractors

Residential Remodelers, Water and Sewer Line and Related Structures Construction, Land Subdivision, Framing Contractors, Masonry Contractors

Construction Sand and Gravel Mining, Roofing Contractors, Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Drywall and Insulation Contractors

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Poured Concrete Foundation and Structure Contractors

Nursery and Tree Production, Roofing Contractors, All Other Specialty Trade Contractors, Brick, Stone, and Related Construction Material Merchant Wholesalers, Flower, Nursery Stock, and Florists' Supplies Merchant Wholesalers

Highway, Street, and Bridge Construction, Plastics Materials and Basic Forms and Shapes Merchant Wholesalers, Other Chemical and Allied Products Merchant Wholesalers, Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals), Wholesale Trade Agents and Brokers

Water and Sewer Line and Related Structures Construction, Site Preparation Contractors, All Other Specialty Trade Contractors

Electrical Contractors

Roofing Contractors, Site Preparation Contractors

Commercial and Institutional Building Construction

All Other Specialty Trade Contractors