| Business | Phone |
| Technology Assurance Labs 3267 Progress Dr, Orlando 32826 | (407) 382-5992 |
| C-Mark 4201 Sw 34th St, Orlando 32811 | (407) 426-8971 |
| Paetec Communications Inc 604 Courtland St, Orlando 32804 | (407) 629-4737 |
| Mycom North America Inc 1629 Prime Ct # 800, Orlando 32809 | (407) 470-1077 |
| Mfs Communications Inc 225 E Robinson St, Orlando 32801 | (407) 244-3071 |
| Mfs Telecom 69 W Concord St, Orlando 32801 | (407) 426-8333 |