| Business | Phone |
| Accident & Health Plans Agency 2512 Sutton Blvd, St Louis 63143 | (314) 645-4730 |
| Multiplan 1650 Des Peres Rd, St Louis 63131 | (314) 835-1110 |
| Mercy Health Plans 14528 S Outer 40 # 300, St Louis 63146 | (314) 214-8100 |
| Essence Healthcare 9666 Olive Blvd, St Louis 63132 | (314) 919-3600 |