| Business | Phone |
| Advanced Manufacturing Tech 1090 Falls Rd, Grafton 53024 | (262) 375-4414 |
| Arz Machining Inc 1043 13th Ave, Grafton 53024 | (262) 375-9370 |
| Dimension Tool & Machining Inc 1670 Pleasant Valley Rd, Grafton 53024 | (262) 376-1127 |
| Oetlinger Tool Engineering Co 1058 Overland Ct, Grafton 53024 | (262) 377-3100 |