| Business | Phone |
| Combined Welding & Machine 25730 7th St W, Zimmerman 55398 | (763) 856-5888 |
| Goldstar Grinding Co 11840 261st Ave Nw, Zimmerman 55398 | (763) 856-1121 |
| Northern Engineering & Mfg Inc 11841 243rd Ave, Zimmerman 55398 | (763) 856-2044 |
| Uma Precision Mashining 26820 140th St, Zimmerman 55398 | (763) 856-0004 |