| Business | Phone |
| World Class Karate & Self 449 Boston Post Rd E, Marlborough 1752 | (508) 229-2545 |
| Shukokai School Of Karate 58 Mechanic St, Marlborough 1752 | (508) 481-1147 |
| Fred Villari's Studios 194 Main St, Marlborough 1752 | (508) 481-4909 |
| Kwon's Martial Arts Ctr 416 Boston Post Rd E, Marlborough 1752 | (508) 229-2236 |