Crude Petroleum and Natural Gas Extraction, Iron Ore Mining, Gold Ore Mining, Lead Ore and Zinc Ore Mining, Petroleum Refineries

Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Photographic Equipment and Supplies Merchant Wholesalers, Office Equipment Merchant Wholesalers, Other Commercial Equipment Merchant Wholesalers, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Other Building Finishing Contractors, Photographic Film, Paper, Plate, and Chemical Manufacturing, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers, Testing Laboratories

Site Preparation Contractors, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), All Other Miscellaneous General Purpose Machinery Manufacturing, Recyclable Material 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)

Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors, Other Foundation, Structure, and Building Exterior Contractors, Finish Carpentry Contractors

Other Foundation, Structure, and Building Exterior Contractors, Flooring Contractors, Tile and Terrazzo Contractors, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Ornamental and Architectural Metal Work Manufacturing

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

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers, Other Professional Equipment and Supplies Merchant Wholesalers, Hardware Merchant Wholesalers

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Nonferrous Forging, Metal Service Centers and Other Metal Merchant Wholesalers

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

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

Photographic Film, Paper, Plate, and Chemical Manufacturing, Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Other Electronic Component Manufacturing, Irradiation Apparatus 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

Site Preparation Contractors, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), All Other Miscellaneous General Purpose Machinery Manufacturing, Recyclable Material Merchant Wholesalers

Copper Wire (except Mechanical) Drawing, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Machine Shops

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Electroplating, Plating, Polishing, Anodizing, and Coloring, All Other Miscellaneous Fabricated Metal Product Manufacturing, All Other Industrial Machinery Manufacturing

Sawmills, Wood Preservation, Hardwood Veneer and Plywood Manufacturing, Cut Stock, Resawing Lumber, and Planing, Wood Container and Pallet Manufacturing

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

All Other Metal Ore Mining, Other Electric Power Generation, Inorganic Dye and Pigment Manufacturing, All Other Miscellaneous Chemical Product and Preparation Manufacturing, Iron and Steel Mills