Manufactured Home (Mobile Home) Manufacturing, Prefabricated Wood Building Manufacturing, Prefabricated Metal Building and Component Manufacturing, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

Framing Contractors, Sawmills, Engineered Wood Member (except Truss) Manufacturing, Truss Manufacturing, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

Surgical Appliance and Supplies Manufacturing, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Roofing, Siding, and Insulation Material Merchant Wholesalers, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers, Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Other Construction Material Merchant Wholesalers, Other Commercial Equipment Merchant Wholesalers, Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers, Industrial Machinery and Equipment Merchant Wholesalers

Electric Power Distribution, Residential Remodelers, Commercial and Institutional Building Construction, Electrical Contractors, Motor Vehicle Supplies and New Parts Merchant Wholesalers

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

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

Glass and Glazing Contractors, Roofing Contractors, Siding Contractors, Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Brick, Stone, and Related Construction Material Merchant Wholesalers, Roofing, Siding, and Insulation Material Merchant Wholesalers, Other Construction Material Merchant Wholesalers, Metal Service Centers and Other Metal Merchant Wholesalers

Other Electric Power Generation, Poured Concrete Foundation and Structure Contractors, All Other Miscellaneous Textile Product Mills, Men's and Boys' Cut and Sew Apparel Contractors, Women's, Girls', and Infants' Cut and Sew Apparel Contractors

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Hardware Merchant Wholesalers

Plumbing, Heating, and Air-Conditioning Contractors, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers, Refrigeration Equipment and Supplies Merchant Wholesalers

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

All Other Specialty Trade Contractors, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Hardware Merchant Wholesalers

Flooring Contractors, Sawmills, Cut Stock, Resawing Lumber, and Planing, Other Millwork (including Flooring), Plastics Plumbing Fixture Manufacturing

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

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Coal and Other Mineral and Ore Merchant Wholesalers, Farm and Garden Machinery and Equipment Merchant Wholesalers, Petroleum Bulk Stations and Terminals, Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)

Flooring Contractors, Tile and Terrazzo Contractors, Carpet and Rug Mills, All Other Miscellaneous Textile Product Mills, Wood Preservation

Industrial Building Construction, Commercial and Institutional Building Construction, Other Building Finishing Contractors, Men's and Boys' Cut and Sew Apparel Contractors, Women's, Girls', and Infants' Cut and Sew Apparel Contractors