| Business | Phone |
| Duwell Grinding Co Inc 4115 W Greenfield Ave, Milwaukee 53215 | (414) 643-5000 |
| Eagle Grinding & Plating Inc 2760 S 28th St, Milwaukee 53215 | (414) 645-5752 |
| Elias Grinding Co Inc 3713 N Holton St, Milwaukee 53212 | (414) 962-2360 |
| K 3 Centerless Grinding Llc 728 E Nash St, Milwaukee 53212 | (414) 963-6252 |
| Lenard Tool & Machine Inc 4480 S Nicholson Ave, Milwaukee 53235 | (414) 483-7620 |
| Midwest Grinding Co 7725 W Tower Ave, Milwaukee 53223 | (414) 354-4440 |
| Tool Steel Products 2012 S 55th St, Milwaukee 53219 | (414) 383-7040 |
| R L Bayer Mfg Co 7752 W Hicks St A, Milwaukee 53219 | (414) 321-3400 |