| 1199SEIU in Louisville, CO | AMERIGROUP in Louisville, CO |
| APS Healthcare in Louisville, CO | Aetna in Louisville, CO |
| Alliance in Louisville, CO | AmeriHealth in Louisville, CO |
| American Behavioral in Louisville, CO | Beech Street in Louisville, CO |
| Behavioral Health Systems in Louisville, CO | BlueCross and/or BlueShield in Louisville, CO |
| CCN in Louisville, CO | CHIPA/College Health in Louisville, CO |
| Cascade Health in Louisville, CO | Ceridian in Louisville, CO |
| ChoiceCare in Louisville, CO | Cigna in Louisville, CO |
| ComPsych in Louisville, CO | Corphealth in Louisville, CO |
| Coventry in Louisville, CO | First Choice Health in Louisville, CO |
| First Health in Louisville, CO | GHI/Group Health Incorporated in Louisville, CO |
| Great-West in Louisville, CO | Guardian in Louisville, CO |
| HFN in Louisville, CO | HIP/Health Plan of New York in Louisville, CO |
| Harvard Pilgrim Health Care in Louisville, CO | Health Net in Louisville, CO |
| Holman Group in Louisville, CO | Horizon Healthcare in Louisville, CO |
| Humana in Louisville, CO | Integrated Health Plan in Louisville, CO |
| Interplan in Louisville, CO | Kaiser in Louisville, CO |
| LifeWise in Louisville, CO | MAMSI in Louisville, CO |
| MHN/Managed Health Network in Louisville, CO | Magellan Behavioral Health in Louisville, CO |
| MagnaCare in Louisville, CO | Medica in Louisville, CO |
| Medicaid in Louisville, CO | Medical Mutual in Louisville, CO |
| Medicare in Louisville, CO | Multiplan in Louisville, CO |
| NCPPO in Louisville, CO | ODS in Louisville, CO |
| Oxford in Louisville, CO | PHCS/Private Health Care Systems in Louisville, CO |
| PPOM in Louisville, CO | PacifiCare in Louisville, CO |
| PacificSource in Louisville, CO | PreferredOne in Louisville, CO |
| Providence in Louisville, CO | Sloans Lake in Louisville, CO |
| TRICARE in Louisville, CO | TriWest0127 in Louisville, CO |
| Tufts in Louisville, CO | UniCare in Louisville, CO |
| Uniform in Louisville, CO | United in Louisville, CO |
| VMC in Louisville, CO | ValueOptions in Louisville, CO |
| WellPoint in Louisville, CO |