Roofing Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Sheet Metal Work Manufacturing, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

Metal Window and Door Manufacturing

Oil and Gas Pipeline and Related Structures Construction, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Metal Tank (Heavy Gauge) Manufacturing, Industrial Valve Manufacturing, Pump and Pumping Equipment Manufacturing

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

Machine Shops

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

Metal Stamping, Other Major Household Appliance Manufacturing, Engineering Services

Hand and Edge Tool Manufacturing

Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Other Foundation, Structure, and Building Exterior Contractors

Residential Remodelers, Water and Sewer Line and Related Structures Construction, Framing Contractors, Glass and Glazing Contractors, Roofing Contractors

Other Building Finishing Contractors, Kitchen Utensil, Pot, and Pan Manufacturing, Hardware Manufacturing, Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing, Institutional Furniture Manufacturing

Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Plumbing Fixture Fitting and Trim Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Fabricated Pipe and Pipe Fitting Manufacturing

Commercial and Institutional Building Construction, Structural Steel and Precast Concrete Contractors, Siding Contractors, Other Foundation, Structure, and Building Exterior Contractors, Prefabricated Metal Building and Component Manufacturing

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

Sheet Metal Work Manufacturing

Hydroelectric Power Generation, Electric Power Distribution, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction

Fabricated Structural Metal Manufacturing, Light Truck and Utility Vehicle Manufacturing, Motor Vehicle Body Manufacturing, Motor Vehicle Supplies and New Parts Merchant Wholesalers, Other Commercial Equipment Merchant Wholesalers

All Other Specialty Trade Contractors, All Other Miscellaneous Textile Product Mills, All Other Miscellaneous Wood Product Manufacturing, Ornamental and Architectural Metal Work Manufacturing, Textile Machinery Manufacturing

Industrial Building Construction, All Other Specialty Trade Contractors, Prefabricated Metal Building and Component Manufacturing, Hazardous Waste Collection, Other Nonhazardous Waste Treatment and Disposal

Other Fabricated Wire Product Manufacturing, Construction Machinery Manufacturing