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

Industrial Building Construction, Commercial and Institutional Building Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors, Framing Contractors

Support Activities for Forestry, Sawmills, Cut Stock, Resawing Lumber, and Planing

Sawmills, Cut Stock, Resawing Lumber, and Planing, All Other Miscellaneous Wood Product Manufacturing, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

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

LUMBER