| Business | Phone |
| Hospital Health Plan 8777 Purdue Rd, Indianapolis 46268 | (317) 532-6000 |
| Humana Inc 8500 Keystone Xing, Indianapolis 46240 | (317) 573-1020 |
| I U Health Plan 8910 Purdue Rd # 500, Indianapolis 46268 | (317) 872-2450 |
| R M Medical 8330 Naab Rd # 316, Indianapolis 46260 | (317) 228-1600 |
| Managed Health Svc 950 N Meridian St, Indianapolis 46204 | (317) 684-9478 |