| Business | Phone |
| Alpha Communications Dev Corp 1017 Perth St, Aurora 80018 | (303) 343-4114 |
| Custom Communications Sltns 16426 E Layton Ave, Aurora 80015 | (303) 680-5430 |
| Vis-A-Vis Comms Consultants 12804 E Villanova Dr, Aurora 80014 | (303) 696-9206 |
| Technology Plus Inc 2323 S Troy St, Aurora 80014 | (303) 340-8228 |