| Business | Phone |
| Eren Corp 57 S Main St 606, Harrisonburg 22801 | (540) 432-1514 |
| Flow Science 370 Neff Ave, Harrisonburg 22801 | (540) 442-8433 |
| Shenandoah Engineering Svc Inc 1401 Technology Dr, Harrisonburg 22802 | (540) 434-0406 |
| Mei Engineering Inc 276 S Liberty St, Harrisonburg 22801 | (540) 432-6272 |