| Business | Phone |
| Dragon Tier Kung Fu Center 298 Maple Ave, Smithtown 11787 | (631) 863-3600 |
| Empire State Karate 86 Terry Rd, Smithtown 11787 | (631) 265-1555 |
| Kempo Marital Arts Inc 530 Smithtown Byp, Smithtown 11787 | (631) 979-3541 |
| L I Traditional Tae Kwon Do 141 E Main St, Smithtown 11787 | (631) 979-6876 |
| Smithtown Judo Club 1219 Route 25a, Smithtown 11787 | (631) 361-2004 |
| Smithtown Karate Academy 135 W Main St, Smithtown 11787 | (631) 265-9062 |
| Ultimate Taekwondo Family Center 11 E Main St, Smithtown 11787 | (631) 265-9677 |
| Villari's Self Defense Center 33 W Main St, Smithtown 11787 | (631) 265-6260 |