| Business | Phone |
| Coles Karate & Jujitsu 15613 90th St Ne, Elk River 55330 | (763) 241-0125 |
| Coles Tae Kwon Do & Jujitsu County Road 39, Elk River 55330 | (763) 241-0125 |
| Dojo Karate 19122 Freeport St Nw, Elk River 55330 | (763) 441-2467 |
| Professional Karate Studios 508 Freeport Ave Nw, Elk River 55330 | (763) 241-1594 |