| Business | Phone |
| Camacho Tae Kwon Do 253 W Francis St, Ontario 91762 | (909) 986-7587 |
| Dan Castro's Kung Fu San Soo 2246 S Mountain Ave, Ontario 91762 | (909) 933-9116 |
| Us Olympic Taekwondo 941 W Mission Blvd # K, Ontario 91762 | (909) 984-6366 |
| Us Tae Kwon Dow Center 602 W Holt Blvd, Ontario 91762 | (909) 395-5510 |