Industry Group 331: Steel Works, Blast Furnaces, And Rolling And Finishing Mills |
· | 3312 Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills |
· | 3313 Electrometallurgical Products, Except Steel |
· | 3315 Steel Wiredrawing and Steel Nails and Spikes |
· | 3316 Cold-Rolled Steel Sheet, Strip, and Bars |
· | 3317 Steel Pipe and Tubes |
Industry Group 332: Iron And Steel Foundries |
· | 3321 Gray and Ductile Iron Foundries |
· | 3322 Malleable Iron Foundries |
· | 3324 Steel Investment Foundries |
· | 3325 Steel Foundries, Not Elsewhere Classified |
Industry Group 333: Primary Smelting And Refining Of Nonferrous |
· | 3331 Primary Smelting and Refining of Copper |
· | 3334 Primary Production of Aluminum |
· | 3339 Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum |
Industry Group 334: Secondary Smelting And Refining Of Nonferrous |
· | 3341 Secondary Smelting and Refining of Nonferrous Metals |
Industry Group 335: Rolling, Drawing, And Extruding Of Nonferrous |
· | 3351 Rolling, Drawing, and Extruding Of Copper |
· | 3353 Aluminum Sheet, Plate, and Foil |
· | 3354 Aluminum Extruded Products |
· | 3355 Aluminum Rolling and Drawing, Not Elsewhere Classified |
· | 3356 Rolling, Drawing, and Extruding of Nonferrous Metals, Except Copper and Aluminum |
· | 3357 Drawing and Insulating of Nonferrous Wire |
Industry Group 336: Nonferrous Foundries (castings) |
· | 3363 Aluminum Die-Castings |
· | 3364 Nonferrous Die-Castings, Except Aluminum |
· | 3365 Aluminum Foundries |
· | 3366 Copper Foundries |
· | 3369 Nonferrous Foundries, Except Aluminum and Copper |
Industry Group 339: Miscellaneous Primary Metal Products |
· | 3398 Metal Heat Treating |
· | 3399 Primary Metal Products, Not Elsewhere Classified |