| Business | Phone |
| Solo Medical Billing 7108 De Soto Ave, Canoga Park 91303 | (818) 610-1495 |
| Precise Management Svc 8245 Remmet Ave # B, Canoga Park 91304 | (818) 704-4301 |
| Prestige Medical Billing 21053 Lanark St, Canoga Park 91304 | (310) 666-8553 |
| Qwik Med Billing & Collections 8399 Topanga Canyon Blvd, Canoga Park 91304 | (818) 992-5626 |
| Tat Billing Svc 20650 Archwood St, Canoga Park 91306 | (818) 992-7768 |