| Business | Phone |
| Comm-Tech 348 W Court St, Allentown 18101 | (610) 435-1945 |
| Gti Electronics 1444 W Hamilton St, Allentown 18102 | (610) 435-2336 |
| World Of Satellites Inc 607 N 7th St, Allentown 18102 | (610) 776-4000 |
| Ronald Heft Satellite Systems Allentown 18104 | (610) 439-3446 |