Electrical Contractors, All Other Specialty Trade Contractors, Explosives Manufacturing, Small Arms Ammunition Manufacturing, Ammunition (except Small Arms) Manufacturing

Fluid Power Valve and Hose Fitting Manufacturing

Steam and Air-Conditioning Supply, Plumbing, Heating, and Air-Conditioning Contractors, Sheet Metal Work Manufacturing, Heating Equipment (except Warm Air Furnaces) Manufacturing, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen

Metal Stamping, Dental Equipment and Supplies Manufacturing, Jewelers' Material and Lapidary Work Manufacturing

Copper Rolling, Drawing, and Extruding, Copper Wire (except Mechanical) Drawing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Custom Roll Forming, Metal Stamping

Commercial and Institutional Building Construction, Ornamental and Architectural Metal Work Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Water and Sewer Line and Related Structures Construction, Land Subdivision, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors

Roofing Contractors, Siding Contractors, Metal Window and Door Manufacturing, Ornamental and Architectural Metal Work Manufacturing

Fabricated Structural Metal Manufacturing, Metal Service Centers and Other Metal Merchant Wholesalers, Recyclable Material Merchant Wholesalers

Metal Stamping

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing, Machine Tool (Metal Forming Types) Manufacturing

Metal Heat Treating

Machine Shops

Ball and Roller Bearing Manufacturing

Hand and Edge Tool Manufacturing

Prefabricated Metal Building and Component Manufacturing

Prefabricated Metal Building and Component Manufacturing

Small Arms Manufacturing

Structural Steel and Precast Concrete Contractors, Siding Contractors, Electrical Contractors, All Other Specialty Trade Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel