Timbers, Pilings, Plywood, Inspection

Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Seafood Canning, Fresh and Frozen Seafood Processing, All Other Miscellaneous Textile Product Mills

Fats and Oils Refining and Blending, Wood Preservation, Hardwood Veneer and Plywood Manufacturing, Softwood Veneer and Plywood Manufacturing, Engineered Wood Member (except Truss) Manufacturing

All Other Specialty Trade Contractors, Wood Preservation, All Other Miscellaneous Wood Product Manufacturing, Steel Wire Drawing, Ornamental and Architectural Metal Work Manufacturing

Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction

Logging, Other Heavy and Civil Engineering Construction, Sawmills, Wood Preservation, Hardwood Veneer and Plywood Manufacturing

Construction Sand and Gravel Mining, Support Activities for Coal Mining, Support Activities for Metal Mining, Support Activities for Nonmetallic Minerals (except Fuels) Mining, New Multifamily Housing Construction (except Operative Builders)

Framing Contractors, Roofing Contractors, Siding Contractors, Other Foundation, Structure, and Building Exterior Contractors, Other Building Equipment Contractors

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

Treated, wood products.

Forest Nurseries and Gathering of Forest Products, Sawmills, Wood Preservation, Reconstituted Wood Product Manufacturing, Cut Stock, Resawing Lumber, and Planing

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction

Flooring Contractors, Tile and Terrazzo Contractors, All Other Miscellaneous Textile Product Mills, Wood Preservation, Urethane and Other Foam Product (except Polystyrene) Manufacturing

Wood Preservation, Cut Stock, Resawing Lumber, and Planing, Other Millwork (including Flooring)

Construction Sand and Gravel Mining, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Finish Carpentry Contractors, Site Preparation Contractors

Utility Poles, Piling

All Other Specialty Trade Contractors, Wood Preservation, All Other Miscellaneous Wood Product Manufacturing, Iron and Steel Mills, Steel Wire Drawing

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Glass and Glazing 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

All Other Specialty Trade Contractors, Wood Preservation, All Other Miscellaneous Wood Product Manufacturing, Steel Wire Drawing, Ornamental and Architectural Metal Work Manufacturing