| Business | Phone |
| Earthtech Inc 277 Edison St, Uniontown 15401 | (724) 439-1313 |
| K 2 Inc 160 Pittsburgh St, Uniontown 15401 | (724) 439-3440 |
| Mc Millen Engineering Inc 115 Wayland Smith Dr, Uniontown 15401 | (724) 439-8110 |
| Robinson Engineering Uniontown 15401 | (724) 430-0455 |
| Timothy Engineering 2 W Main St # 717, Uniontown 15401 | (724) 438-6858 |