| Business | Phone |
| Airway Products Inc 803 S Old Highway 18, Princeton 55371 | (763) 389-3711 |
| Becker Machine & Tool 12714 320th Ave, Princeton 55371 | (763) 389-4093 |
| Ideal Industries 7650 303rd Ave Nw # Mw, Princeton 55371 | (763) 389-2736 |
| Integrity Engineering 12303 323rd Ave, Princeton 55371 | (763) 389-2461 |
| Polar Engineering Inc 506 6th Ave S, Princeton 55371 | (763) 631-9899 |
| Precision Machine & Manufacturer Princeton 55371 | (763) 389-4945 |