| Business | Phone |
| Koryo Martial Arts Academy 3235 Castro Valley Blvd, Castro Valley 94546 | (510) 538-8778 |
| Martial Arts America-Karate 20440 Redwood Rd, Castro Valley 94546 | (510) 733-6500 |
| New West Kenpo Castro Valley 94546 | (510) 538-0727 |
| Pallen's Martial Arts 3963 Castro Valley Blvd, Castro Valley 94546 | (510) 537-0901 |
| Sky Martial Arts 20867 Redwood Rd, Castro Valley 94546 | (510) 583-0902 |
| T Kane's Kung Fu Karate 20809 Nunes Ave, Castro Valley 94546 | (510) 582-6233 |