Archived - Standard Industrial Classification - Companies and Enterprises (SIC-C) 1980
- E - Metallic Minerals and Metal Products
- 20 - Iron, Steel and Related Products
- 201 - Iron Mining and Primary Steel and Steel Products Manufacturing
- 2011 - Iron Mining
- 2012 - Iron Foundries_SIC-C1980
- 2013 - Steel Pipe and Tube Manufacturing
- 2014 - Steel Wire and Wire Products Manufacturing
- 202 - Primary Steel Products, Integrated Operations
- 2021 - Primary Steel Products, Integrated Operations_1SIC-C1980
- 21 - Non-Ferrous Metals and Primary Metal Products
- 211 - Aluminum and Aluminum Products Manufacturing and Wholesaling
- 2111 - Aluminum and Aluminum Products Manufacturing and Wholesaling_1SIC-C1980
- 212 - Non-Ferrous Metals (Except Aluminum and Uranium)
- 2121 - Non-Ferrous Metal Ore Mining (Except Uranium)
- 2122 - Mining, Smelting and Refining of Non-Ferrous
- 2123 - Rolling, Casting and Extruding of Non-Ferrous Metals (Except Aluminum)
- 22 - Fabricated Metal Products
- 221 - Fabricated Plate Work and Structural Metal Products Manufacturing
- 2211 - Fabricated Plate Work Manufacturing
- 2212 - Fabricated Structural Metal Products Manufacturing
- 222 - Ornamental and Architectural Metal Products Manufacturing
- 2221 - Ornamental and Architectural Metal Products Manufacturing_1SIC-C1980
- 223 - Stamping, Pressing and Coating Metal Products_1SIC-C1980
- 2231 - Stamping, Pressing and Coating Metal Products_2SIC-C1980
- 228 - Other Fabricated Metal Products Manufacturing
- 2281 - Hardware, Tool and Cutlery Manufacturing
- 2289 - Other Fabricated Metal Products Manufacturing n.e.c.
- 229 - Other Metals and Metal Products Wholesaling
- 2291 - Ferrous Metals and Metal Products Wholesaling
- 2299 - Other Metals and Metal Products Wholesaling n.e.c.
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