Iron and Steel Mills, Electrometallurgical Ferroalloy Product Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Secondary Smelting and Alloying of Aluminum, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)

Electrical Contractors, Other Electronic Component Manufacturing, Other Communication and Energy Wire Manufacturing, Current-Carrying Wiring Device Manufacturing, Military Armored Vehicle, Tank, and Tank Component Manufacturing

Outerwear Knitting Mills, Glove and Mitten Manufacturing, Rubber and Plastics Footwear Manufacturing, All Other Leather Good Manufacturing, All Other Plastics Product Manufacturing

Power and Communication Line and Related Structures Construction, Copper Wire (except Mechanical) Drawing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communication and Energy Wire Manufacturing, Other Electronic Parts and Equipment Merchant Wholesalers

Outerwear Knitting Mills, Glove and Mitten Manufacturing, Rubber and Plastics Footwear Manufacturing, All Other Leather Good Manufacturing, All Other Plastics Product Manufacturing

Masonry Contractors, Glass and Glazing Contractors, Roofing Contractors, Siding Contractors, Electrical Contractors

Steel Wire Drawing, Other Aluminum Rolling and Drawing, Copper Wire (except Mechanical) Drawing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Other Ordnance and Accessories Manufacturing

Electrical Contractors, Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing, Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing, All Other Plastics Product Manufacturing, Switchgear and Switchboard Apparatus Manufacturing

Electrical Contractors, Electronic Computer Manufacturing, Computer Storage Device Manufacturing, Computer Terminal Manufacturing, Other Computer Peripheral Equipment Manufacturing

Iron and Steel Mills, Electrometallurgical Ferroalloy Product Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Secondary Smelting and Alloying of Aluminum, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)

Other Communications Equipment Manufacturing, Power, Distribution, and Specialty Transformer Manufacturing, Motor and Generator Manufacturing, Switchgear and Switchboard Apparatus Manufacturing, Storage Battery Manufacturing

Precision Turned Product Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, All Other Industrial Machinery Manufacturing, Other Commercial and Service Industry Machinery Manufacturing, Industrial Mold Manufacturing

Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Other Communication and Energy Wire Manufacturing, Packaging and Labeling Services