| Business | Phone |
| Avaya Inc 524 Grand Regency Blvd, Brandon 33510 | (813) 655-2000 |
| Verizon Communications 2478 W Brandon Blvd, Brandon 33511 | (813) 684-0068 |
| Integrated Telecom Systems 1411 Oakfield Dr, Brandon 33511 | (813) 654-6555 |
| Integrated Telecommunications 710 Oakfield Dr # 251, Brandon 33511 | (813) 684-7360 |