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