| Business | Phone |
| Albert Trostel & Sons Co 330 E Kilbourn Ave 750, Milwaukee 53202 | (414) 223-1560 |
| American Gasket Co Inc 6125 N Flint Rd, Milwaukee 53209 | (414) 228-7738 |
| Federal-Mogul Corp 1126 S 70th St, Milwaukee 53214 | (414) 475-4640 |
| Victor Wisconsin Gasket 11500 W Brown Deer Rd, Milwaukee 53224 | (414) 357-7848 |