| Business | Phone |
| Boston Brazilian Jiu-Jitsu 125 Walnut St, Watertown 2472 | (617) 923-2672 |
| Brian Macdonalds Academy 32 Arsenal St, Watertown 2472 | (617) 923-4248 |
| Sessa Kai Dogo 214 Waverley Ave # A, Watertown 2472 | (617) 923-1140 |
| Craig's Kempo Karate Academy 80 School, Watertown 2472 | (617) 924-9888 |