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