| Business | Phone |
| Gay & Keesee Inc 328 Mountain Ave Sw, Roanoke 24016 | (540) 345-1110 |
| Industrial Process Support Svc 4664 Brambleton Ave, Roanoke 24018 | (540) 989-8607 |
| Mc Donough Bolyard Peck 4648 Brambleton Ave, Roanoke 24018 | (540) 985-9453 |
| Pca Mechanical Engineering 1546 Brownlee Ave Se, Roanoke 24014 | (540) 344-1226 |
| Tpi Engineered Systems Inc 6701 Peters Creek Rd 104, Roanoke 24019 | (540) 265-7300 |