| Business | Phone |
| Carpenter Brothers Inc 4555 W Schroeder Dr 100, Milwaukee 53223 | (414) 354-6555 |
| Charles Brown Ind Equipment 4810 S 76th St 111, Milwaukee 53220 | (414) 325-7100 |
| Expert Foundry Svc 1444 N 5th St, Milwaukee 53212 | (414) 383-1475 |
| Igc Technologies 4039 W Green Tree Rd, Milwaukee 53209 | (414) 747-1889 |
| United Refractories Co 531 S Water St, Milwaukee 53204 | (414) 273-5550 |