| Business | Phone |
| Downham's Universal Karate 6149 Skyway, Paradise 95969 | (530) 872-4291 |
| Inaya Systems Intl 5803 Pinewood Ct, Paradise 95969 | (530) 877-1625 |
| Kou Zan Martial Arts 5923 Clark Rd # C, Paradise 95969 | (530) 877-9787 |
| Paradise Kuk Sul Do 6166 Center St, Paradise 95969 | (530) 343-8966 |
| Ridge Tae Kwon Do Club 1393 Cottage Ln, Paradise 95969 | (530) 624-3721 |