| Business | Phone |
| All American Black Belt Acad 6866 Village Pkwy, Dublin 94568 | (925) 829-4265 |
| Karate Tournament Information Po Box 2095, Dublin 94568 | (925) 828-8668 |
| Sky Martial Arts 7425 Village Pkwy, Dublin 94568 | (925) 556-1759 |
| Ty-West Martial Arts 7102 Village Pkwy, Dublin 94568 | (925) 829-0700 |
| United Studios Of Self Defense 7776 Dublin Blvd, Dublin 94568 | (925) 803-8773 |