| Business | Phone |
| American Tower Corp 2045 S Gettysburg Ave, Dayton 45418 | (937) 268-0796 |
| Business Telecom Inc 300 W 1st St, Dayton 45402 | (937) 461-3280 |
| Dayton Voice & Data 8087 Washington Village Dr, Dayton 45458 | (937) 312-3169 |
| Time Warner Telecom 1 S Main St, Dayton 45402 | (937) 425-8200 |
| Hansen Co 7128 Hunters Crk, Dayton 45459 | (937) 885-2113 |
| Sbc 2024 Valley St, Dayton 45404 | (937) 227-4272 |
| Lucent Technologies 5721 Bigger Rd, Dayton 45440 | (937) 534-4700 |
| Medlink Technologies 6450 Poe Ave # 401, Dayton 45414 | (937) 898-9105 |
| Microcom Fiber Optics 1628 Kantner Dr, Dayton 45429 | (937) 294-4122 |