| Business | Phone |
| Billing Management 5565 W Las Positas Blvd, Pleasanton 94588 | (925) 416-0995 |
| Gaffey & Assoc 6150 Stoneridge Mall Rd # 250, Pleasanton 94588 | (510) 888-0550 |
| Medaccount Services Co 5776 Stoneridge Mall Rd # 380, Pleasanton 94588 | (925) 484-1658 |