Iron and Steel Mills, Iron Foundries, Iron and Steel Forging, Nonferrous Forging, Hardware Manufacturing

Electrical Contractors, All Other Specialty Trade Contractors, Paint and Coating Manufacturing, Plastics Pipe and Pipe Fitting Manufacturing, Rubber and Plastics Hoses and Belting Manufacturing

Iron Foundries, Steel Investment Foundries, Steel Foundries (except Investment), Aluminum Die-Casting Foundries, Nonferrous (except Aluminum) Die-Casting Foundries

Highway, Street, and Bridge Construction, Aluminum Sheet, Plate, and Foil Manufacturing, Fabricated Structural Metal Manufacturing, Plate Work Manufacturing, Spring (Heavy Gauge) Manufacturing

Other Building Finishing Contractors, All Other Miscellaneous Textile Product Mills, Cut Stock, Resawing Lumber, and Planing, All Other Miscellaneous Wood Product Manufacturing, Polish and Other Sanitation Good Manufacturing

Spring (Light Gauge) Manufacturing

Spring (Heavy Gauge) Manufacturing, Spring (Light Gauge) Manufacturing, Welding and Soldering Equipment Manufacturing, Hardware Merchant Wholesalers

Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Electrical Contractors, Other Building Equipment Contractors, All Other Leather Good Manufacturing