| 331513 |
Rolling mill rolls, steel, manufacturing |
| 331513 |
Stainless steel castings (except investment), unfinished, manufacturing |
| 331513 |
Steel castings (except investment), unfinished, manufacturing |
| 331513 |
Steel foundries (except investment) |
| 331523 |
Foundries, die-casting, aluminum |
| 331523 |
Die-castings, nonferrous metals, unfinished, manufacturing |
| 331523 |
Aluminum die-casting foundries |
| 331523 |
Aluminum die-castings, unfinished, manufacturing |
| 331523 |
Beryllium die-castings, unfinished, manufacturing |
| 331523 |
Brass die-castings, unfinished, manufacturing |