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