| ACCOUNTABLE HEALTH PLANS |
| AETNA US HEALTHCARE |
| ALL FLORIDA PPO |
| America’s Health Plan |
| American Medical Security |
| Amerigroup |
| Ancicare |
| APWU |
| Avmed |
| Beech Street |
| BLUE SHIELD |
| CCN |
| CHAMPUS/TRICARE |
| CIGNA |
| Evolutions |
| FIRST HEALTH |
| FOCUS HEALTHCARE |
| Galaxy Medical Savings Plan |
| GEHA |
| GHI |
| Great-West Insurance |
| HEALTH HELP |
| HEALTH OPTIONS |
| HEALTHEASE |
| HUMANA |
| MEDICARE |
| MEDFOCUS |
| MEDSOLUTIONS |
| MULTIPLAN |
| ONE CALL MEDICAL |
| PRIVATE HEALTHCARE SYSTEMS (PHCS) |
| Railroad Medicare |
| Southcare |
| STAY WELL |
| TOTAL HEALTH CHOICE |
| TRICARE/CHAMPUS |
| UNITED MINE WORKERS OF AMERICA |
| Vista |
| WELL CARE |
|