| Business | Phone |
| Angelus Medical Billing Svc Canyon Country 91351 | (661) 298-7423 |
| Agency Services 28458 Winterdale Dr, Canyon Country 91387 | (661) 250-8456 |
| Medical Office Billing Svc 26669 Whippoorwill Pl, Canyon Country 91351 | (661) 287-3162 |
| Qrs 27508 Walnut Springs Ave, Canyon Country 91351 | (661) 299-9192 |