Masonry Contractors, Glass and Glazing Contractors, Painting and Wall Covering Contractors, Flooring Contractors, Tile and Terrazzo Contractors

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

Wood Preservation

Sawmills, Wood Preservation, Cut Stock, Resawing Lumber, and Planing, Other Millwork (including Flooring), All Other Miscellaneous Wood Product Manufacturing

Construction Sand and Gravel Mining, Industrial Sand Mining, Commercial and Institutional Building Construction, Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction

Wood Preservation

All Other Specialty Trade Contractors, Wood Preservation, Ornamental and Architectural Metal Work Manufacturing

Gold Ore Mining, Silver Ore Mining, Copper Ore and Nickel Ore Mining, All Other Metal Ore Mining, Other Chemical and Fertilizer Mineral Mining

Roofing Contractors, Other Foundation, Structure, and Building Exterior Contractors, Other Building Equipment Contractors, Tile and Terrazzo Contractors, Other Building Finishing Contractors

Wood Preservation

Highway, Street, and Bridge Construction, Sawmills, Wood Preservation, Softwood Veneer and Plywood Manufacturing, Engineered Wood Member (except Truss) Manufacturing

Wood Preservation, Engineered Wood Member (except Truss) Manufacturing, Reconstituted Wood Product Manufacturing, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Other Professional Equipment and Supplies Merchant Wholesalers

Logging, Industrial Sand Mining, Structural Steel and Precast Concrete Contractors, Other Foundation, Structure, and Building Exterior Contractors, Wood Preservation

Soil Preparation, Planting, and Cultivating, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction

Other Heavy and Civil Engineering Construction, Wood Preservation, All Other Support Services

Other Heavy and Civil Engineering Construction, Site Preparation Contractors, All Other Specialty Trade Contractors, Wood Preservation, Port and Harbor Operations

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

Farm Labor Contractors and Crew Leaders, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers

Masonry Contractors, Other Building Equipment Contractors, All Other Specialty Trade Contractors, Wood Preservation, All Other Miscellaneous Wood Product Manufacturing

New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Industrial Building Construction, Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction