| Business | Phone |
| Alltek Communications 414 Orchard Ln, Allen 75002 | (972) 747-8233 |
| Diversified Communications 726 Bush Dr, Allen 75013 | (972) 747-9327 |
| Marconi 749 Eagle Lake Ct, Allen 75002 | (972) 396-8333 |
| New Communication Concepts 101 N Greenville Ave C-20, Allen 75002 | (972) 727-2955 |