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

Industrial Building Construction, Commercial and Institutional Building Construction, Structural Steel and Precast Concrete Contractors, Glass and Glazing Contractors, Roofing Contractors

Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Roofing, Siding, and Insulation Material Merchant Wholesalers

Roofing, Siding, and Insulation Material Merchant Wholesalers, Other Construction Material Merchant Wholesalers, Metal Service Centers and Other Metal Merchant Wholesalers, Hardware Merchant Wholesalers, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

Electrical Contractors, Photographic and Photocopying Equipment Manufacturing, Roofing, Siding, and Insulation Material Merchant Wholesalers, Photographic Equipment and Supplies Merchant Wholesalers, Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers

Farm Machinery and Equipment Manufacturing, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Brick, Stone, and Related Construction Material Merchant Wholesalers, Roofing, Siding, and Insulation Material Merchant Wholesalers, Hardware Merchant Wholesalers

Construction Sand and Gravel Mining, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers

Brick, Stone, and Related Construction Material Merchant Wholesalers, Roofing, Siding, and Insulation Material Merchant Wholesalers, Other Construction Material Merchant Wholesalers, Hardware Merchant Wholesalers, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers