| Virginia Hospital Center | Virginia Hospital Center |
| Millennium Clinical Trials, LLC | Millennium Clinical Trials, LLC |
| Virginia Cancer Specialists | Virginia Cancer Specialists |
| Marymount University | Marymount University |
| SkinDC | SkinDC |
| Arthritis Clinic of Northern Virginia | Arthritis Clinic of Northern Virginia |
| RAND Corporation | RAND Corporation |
| Medical Associates of Northern Virginia | Medical Associates of Northern Virginia |
| US Oncology - Arlington Fairfax Hematology Oncology | US Oncology - Arlington Fairfax Hematology Oncology |
