| AARP Health Care Options |
| Accountable Health Plan |
| ACI |
| Aetna - B |
| Aetna - E |
| Aetna - L |
| Aetna - S |
| Aetna - T |
| Aetna Affordable Health Choices |
| Allied Benefit Systems, Inc. |
| Allstate Workplace Division |
| AMD Health Plan |
| AmeriBen Solutions |
| American Greetings |
| American Medical Security |
| American Republic Insurance Company |
| Americna Employers Benefit Trust |
| Ameritas |
| AVMA Group Health and LIfe Ins Trust |
| BCBS |
| Benefit Adminstrative Systems |
| Benefit Planners |
| Block Vision of Texas, Inc. |
| CareMark |
| Cathedral Hill Associates, Inc |
| Celtic Individual Health |
| Chesapeake Life Insurance Company |
| Christian Fidelity |
| Church Mutual |
| Cigna |
| Cole (do not use this-use Eyemed) |
| Connecticut Gen. Life Insurance Co. |
| Core Source |
| Coventry Health Care |
| Definity Health |
| Dept. of Assistive & Rehabilittative Svc |
| Empire Blue Cross |
| Employee Benefit Svc of Lousiana, Inc |
| Employers Direct Health |
| EyeMed |
| First Health |
| First Health Network |
| FISERV |
| Fiserv Health/Benefit Planners |
| Flordia First Service Administrators |
| Foreign Service Benefit Plan |
| Fortis Benefits Insurance Company |
| Gallagher Benefit Administration - L |
| Gallagher Benefit Administrators - S |
| GE Group Life Assurance Company |
| GEHA |
| Genworth Financial |
| Golden Rule |
| Great Western Healthcare |
| Group & Pension Administrators |
| Group Administration, Ltd |
| Group Insurance Program - Claims |
| Group Pension Administrators, Inc. |
| Group Resources Inc |
| Guardian |
| Harrington Benefit Services, Inc. |
| Health Administration Services, Inc. |
| Health First TPA |
| Health Plan Services |
| Health SCOPE |
| HealthComp |
| HealthSmart Preferred Care |
| Humana |
| Humana Military Healthcare |
| ICON Benefits Adm. |
| IMG |
| Insurance Center |
| Insurers Administrative Corporation |
| JI Specialty Services |
| John Alden Life Insurance Company |
| Legacy Health Plan |
| Life Investors Insurance Co of America |
| Lumenos |
| Marsh Advantage America |
| Medica |
| Medical Mutual |
| Medicare Part B |
| Mediplus/The Hartford |
| Moutain States Administrative Services |
| Mutual Assurance Administrators, Inc. |
| Mutual of Omaha Companies |
| National Health Insurance Company |
| New Era Life Ins. Co. |
| Nippon Life Insurance |
| North American Administrators |
| North Texas Healthcare Network |
| Old Surety Life Insurance Co |
| Opticare |
| Orange County Health Authority |
| Oxford Health Plans |
| P 5 Electronic Health Services |
| Pacific Care |
| Pacific Life and Annuity Benefits Office |
| Parkland Kids First |
| Performax |
| Physicians Life Insurance Company |
| PPO NEXT |
| PreferredOne Administrative Services |
| Principal Life Insurance Co |
| Public employee's Retirement |
| SAG-Producers Health Plan |
| SAMBA |
| Secure Horizons |
| Select Care |
| Self Insured Plans LLC |
| Sheet Metal Workers' Local 104 |
| SOI Health Plan |
| Spectera Claims |
| SRC, an Aetna Company |
| Star HRG |
| State Farm Health Ins. |
| State Farm Mutual Auto Ins. Co. |
| Sterling |
| Superior Vision Services |
| Tall Tree Administrators |
| Texas True Choice - G |
| Texas True Choice -P |
| The EPOCH Group, L C |
| The Loomis Company/Benefits Division |
| The Plan Handlers, Inc |
| Time Insurance Company |
| TML |
| Tricare |
| Trustmark Life Insurance Company |
| Unicare |
| Union Securitiy Insurance Company |
| United Health Care - A |
| United Health Care - E |
| United Health Care - S |
| United Medical Resources, Inc. |
| USAA Life Insurance Company |
| Valero Energy Corporation |
| Vision Service Plan |
| Wausau Benefits |
| WellMark BCBS of Iowa |
| Western Benefits,Inc. |
| World Insurance Company |