| Business | Phone |
| Castalloy Corp 1701 Industrial Ln, Waukesha 53189 | (262) 547-0070 |
| Wisco Alloys Inc 1416 Poplar Dr C, Waukesha 53188 | (262) 547-3530 |
| Westwood Aluminum Casting Inc 1242 Lincoln Ave, Waukesha 53186 | (262) 542-6343 |
| Quality Casting Inc 1908 Mac Arthur Rd, Waukesha 53188 | (262) 542-0763 |
| Jacobson & Assoc 2204 Hunting Ridge Rd, Waukesha 53188 | (262) 542-3569 |