| Business | Phone |
| Big Sky Martial Arts 5113 Ball Rd, Cypress 90630 | (714) 995-5067 |
| Champion Taekwondo 6275 Ball Rd, Cypress 90630 | (714) 484-1530 |
| Ferrer Academy Of Martial Arts 4772 Lincoln Ave, Cypress 90630 | (714) 761-4380 |
| Yongin Martial Arts 4187 Ball Rd, Cypress 90630 | (714) 828-8764 |
| Orange County Kodokan Judo 5241 Lincoln Ave, Cypress 90630 | (714) 826-7906 |