Primary Metal Industries


33 Primary Metal Industries
331 Blast Furnace and Basic Steel Products
3312 Blast furnaces and steel mills
3313 Electrometallurgical products
3315 Steel wire and related products
3316 Cold finishing of steel shapes
3317 Steel pipe and tubes
332 Iron and Steel Foundries
3321 Gray and ductile iron foundries
3322 Malleable iron foundries
3324 Steel investment foundries
3325 Steel foundries, nec
333 Primary Nonferrous Metals
3331 Primary copper
3334 Primary aluminum
3339 Primary nonferrous metals, nec
334 Secondary Nonferrous Metals
3341 Secondary nonferrous metals
335 Nonferrous Rolling and Drawing
3351 Copper rolling & drawing
3353 Aluminum sheet, plate, and foil
3354 Aluminum extruded products
3355 Aluminum rolling & drawing, nec
3356 Nonferrous rolling & drawing, nec
3357 Nonferrous wiredrawing & insulating
336 Nonferrous Foundries (castings)
3363 Aluminum die-castings
3364 Nonferrous die-casting exc. aluminum
3365 Aluminum foundries
3366 Copper foundries
3369 Nonferrous foundries, nec
339 Miscellaneous Primary Metal Products
3398 Metal heat treating
3399 Primary metal products, nec