| Business | Phone |
| Hoosier Toolmaking Inc 6930 Derek Dr, Fort Wayne 46803 | (260) 493-9990 |
| Signature Tool & Machining 520 Southview Ave, Fort Wayne 46806 | (260) 744-0487 |
| Quickturn Manufacturing 4216 Earth Dr, Fort Wayne 46809 | (260) 747-9988 |
| Quality Tool Co 1431 Production Rd, Fort Wayne 46808 | (260) 484-0187 |
| L H Carbide Corp 4420 Clubview Dr, Fort Wayne 46804 | (260) 432-5563 |