| Business | Phone |
| A Fn Communications 2 W 2nd St, Tulsa 74103 | (918) 295-7000 |
| Birch Telecom 4200 E Skelly Dr # 600, Tulsa 74135 | (918) 493-1800 |
| Black Box Network Svc 6120 S Yale Ave, Tulsa 74136 | (918) 488-7700 |
| Brooks Fiber Communications 4500 S 129th East Ave, Tulsa 74134 | (918) 664-7711 |
| Cell Xion Inc 6911 S 66th East Ave, Tulsa 74133 | (918) 663-8011 |
| Cellxion Llc 6931 S 66th East Ave # 203, Tulsa 74133 | (918) 523-3199 |
| Ciena Communications Inc 100 W 5th St # 520, Tulsa 74103 | (918) 925-5000 |
| Dicomm 6585 E Skelly Dr, Tulsa 74145 | (918) 877-1226 |
| Emerging Enterprises 11215 S Fulton Ave, Tulsa 74137 | (918) 299-8299 |
| Fenton Communications Tulsa 74103 | (918) 582-7171 |
| Grc Llc 4425 E 31st St # I, Tulsa 74135 | (918) 712-8660 |
| Ionex Telecommunications 12747 E 41st St, Tulsa 74146 | (918) 632-0080 |
| Logix Communications 4111 S Darlington Ave # 1170, Tulsa 74135 | (918) 556-8500 |
| Wiltel Communications 168 S 122nd East Ave, Tulsa 74128 | (918) 437-2654 |
| Mastec North America Inc 320 S Boston Ave, Tulsa 74103 | (918) 307-2026 |
| Voice & Data Solutions 915 S Joplin Ave, Tulsa 74112 | (918) 835-0455 |
| Voiceteq System 2424 E 21st St # 405, Tulsa 74114 | (918) 728-8557 |
| Wave 3 Communications 15 E 5th St # 3900, Tulsa 74103 | (918) 877-9200 |
| Wil Tel Communications Group 1 Technology Ctr, Tulsa 74103 | (918) 547-6000 |
| Mc Leod Usa 15 E 5th St # 1800, Tulsa 74103 | (918) 419-3300 |
| Mci 100 W 5th St, Tulsa 74103 | (918) 582-0535 |
| Verizon Enterprise Solutions 3158 S 108th East Ave # 270, Tulsa 74146 | (918) 665-8500 |
| Tele-Connectinc 4711 S Braden Ave, Tulsa 74135 | (918) 622-7579 |
| Telecom 2000 Bctifbla 1919 W 40th St, Tulsa 74107 | (918) 746-8025 |
| Sbc 509 S Detroit Ave, Tulsa 74120 | (918) 596-6002 |