| Business | Phone |
| Connestoga-Rowers & Assoc 559 W Uwchlan Ave # 120, Exton 19341 | (610) 280-0277 |
| Science Applications Intl Corp 916 Springdale Dr, Exton 19341 | (610) 594-3630 |
| Erm Group 350 Eagleview Blvd # 200, Exton 19341 | (610) 524-3500 |
| Onesky Engineering Inc 444 Creamery Way # 300, Exton 19341 | (610) 431-3005 |