| Business | Phone |
| Aaa Stamping 192 Perley St, South Bend 46637 | (574) 272-1222 |
| General Sheet Metal Works 1902 S Main St, South Bend 46613 | (574) 288-0611 |
| Metalstamp Inc 24545 State Road 23, South Bend 46614 | (574) 232-5997 |
| South Bend Metal Products Co 1640 S Olive St, South Bend 46619 | (574) 289-0100 |