| Business | Phone |
| 4 Internet Network 1150 1st Ave, King Of Prussia 19406 | (610) 768-1444 |
| Alacritude 590 N Gulph Rd, King Of Prussia 19406 | (610) 971-8840 |
| Alcatel Internetworking 630 Freedom Business Ctr Dr, King Of Prussia 19406 | (610) 768-7719 |
| Excel Communications Inc 295 S Gulph Rd, King Of Prussia 19406 | (610) 768-1580 |
| Knowledge Express Data Systems 3000 W Valley Forge Cir, King Of Prussia 19406 | (610) 783-4500 |
| Viable Solutions 560 American Ave, King Of Prussia 19406 | (610) 337-0287 |
| Trend Inc 660 American Ave # 203, King Of Prussia 19406 | (610) 783-4650 |