| Business | Phone |
| Vitria Technology 630 Freedom Business Ctr Dr, King Of Prussia 19406 | (610) 205-2966 |
| Tektronix Inc 900 E 8th Ave # 300, King Of Prussia 19406 | (610) 768-8995 |
| Sedona Corp 1003 W 9th Ave # 2, King Of Prussia 19406 | (610) 337-8400 |
| Pdc 1002 W 9th Ave, King Of Prussia 19406 | (610) 265-3300 |