Welding Transformers, AC Transformers, DC Power Supplies, Switchgear, Tap Switches, MFDC Inverters, Specialty Products, Accessories.

Iron and Steel Mills, Electrometallurgical Ferroalloy Product Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Steel Wire Drawing

welding, metal fabrication, sandblasting, gates, metal signs, metal, steel, iron, aluminum, ornamental metal, metal pipe, welders, railings, metal signage, custom metalwork, metal cutting, fabricated metal, skids, metal tanks, machine welding

All Other Nonmetallic Mineral Mining, Water Supply and Irrigation Systems, Nonclay Refractory Manufacturing, Ground or Treated Mineral and Earth Manufacturing, Steel Wire Drawing

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)

All Other Nonmetallic Mineral Mining, Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction

Iron Ore Mining, Silver Ore Mining, Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction

Other Electric Power Generation, Water and Sewer Line and Related Structures Construction, Roofing Contractors, Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors

Secondary Smelting, Refining, and Alloying of Copper

Rolled Steel Shape Manufacturing, Secondary Smelting and Alloying of Aluminum, Other Aluminum Rolling and Drawing, Copper Wire (except Mechanical) Drawing, Secondary Smelting, Refining, and Alloying of Copper

Secondary Smelting and Alloying of Aluminum, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Secondary Smelting, Refining, and Alloying of Copper

Secondary Smelting and Alloying of Aluminum, Copper Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Copper, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Office Equipment Merchant Wholesalers

Copper Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Copper, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)

Secondary Smelting, Refining, and Alloying of Copper, Copper Foundries (except Die-Casting)

Electrical Contractors, All Other Specialty Trade Contractors, Secondary Smelting, Refining, and Alloying of Copper, Nonferrous (except Aluminum) Die-Casting Foundries, Copper Foundries (except Die-Casting)

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Primary Aluminum Production, Secondary Smelting and Alloying of Aluminum, Aluminum Sheet, Plate, and Foil Manufacturing

Site Preparation Contractors, Secondary Smelting and Alloying of Aluminum, Secondary Smelting, Refining, and Alloying of Copper, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Motor Vehicle Parts (Used) Merchant Wholesalers

Copper Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Copper, Powder Metallurgy Part Manufacturing, Machine Shops

Secondary Smelting, Refining, and Alloying of Copper

Lead Ore and Zinc Ore Mining, Copper Ore and Nickel Ore Mining, All Other Metal Ore Mining, Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel