| Business | Phone |
| Lucent Phone Systems 542 S Mason Rd, Katy 77450 | (281) 693-8255 |
| Phone Center 542 S Mason Rd, Katy 77450 | (281) 693-3425 |
| Phont Center 542 S Mason Rd, Katy 77450 | (281) 693-1255 |
| Radio Shack 22511 Katy Fwy, Katy 77450 | (281) 392-0747 |
| Radio Shack 21945 Katy Fwy B, Katy 77450 | (281) 395-3611 |
| Centech Communications Corp Po Box 6904, Katy 77491 | (281) 578-2588 |
| Roman Satellite Inc 5130 Franz Rd, Katy 77493 | (281) 391-3003 |
| Cellular Shop 5000 Katy Mills Cir, Katy 77494 | (281) 644-5775 |
| Radio Shack 5000 Katy Mills Cir, Katy 77494 | (281) 644-5690 |
| Radio Shack 20031 Katy Fwy, Katy 77450 | (281) 492-2338 |