| Company | Category | Area | Address | Web | Contact person | |
| LOUDOUN SURVEYS | Surveying Services | Virginia | PO BOX 447, HAMILTON, Loudoun, Virginia, 20159-0447, USA | - | - | - |
| LOUDOUN SYMPHONY | Entertainers, Bands | Virginia | 15 N KING ST, LEESBURG, Loudoun, Virginia, 20176-2827, USA | - | - | KELLY PLUNKETT |
| LOUDOUN SYMPHONY | Grove & Orchard Management | Virginia | 15 N KING ST, LEESBURG, Loudoun, Virginia, 20176-2827, USA | - | - | Esperanza Alzona |
