| Business | Phone |
| Ama Us Sky Korea-American Tkd 1418 S Azusa Ave # B, West Covina 91791 | (626) 917-4075 |
| U S Tae Kwon Do Center 420 N Azusa Ave, West Covina 91791 | (626) 332-6044 |
| California Karate Dojo 312 S Glendora Ave, West Covina 91790 | (626) 919-2037 |
| Red Dragon Karate 550 N Azusa Ave, West Covina 91791 | (626) 967-5777 |