Company Name
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| Tailwind Voice & Data, Inc. |
| Talley |
| T C Telephone LLC |
| TDS Long Distance Corporation |
| TDS METROCOM, LLC |
| TDS Mobile |
| Technology Innovation Lab LLC |
| Tekstar Communications, Inc. |
| Telcentrex, LLC |
| Telco |
| TELCO CELLULAR |
| TELCO Communications LLC |
| Telco Group |
| Telco Papa Ltd. |
| Tele-beep Paging Co. |
| TeleCommunication Systems Corporation of Maryland |
| Telecom Remarketing Corp of America |
| Teleport Communications America, LLC |
| Teliax, Inc. |
| Telmex USA, L.L.C. |
| Telrite Corporation |
| Tennessee Telephone Service, LLC |
| TERRACOM INC. |
| The Light Phone, Inc. |
| The People's Operator USA, LLC |
| The Sienna Group |
| TIME CLOCK SOLUTIONS, LLC |
| Time Warner Cable |
| Time Warner Cable Business LLC |
| Time Warner Cable Business LLC |
| T-Mobile |
| T-Mobile Central LLC |
| TNCI Operating Company LLC |
| Toly Digital Networks, Inc |
| TOTAL ACCESS TELECOM INC. |
| Total Holdings, Inc. |
| Touch 1 Communications, Inc |
| Touchtone Communications, Inc |
| TracFone Wireless, |
| Transamerica Telecom, Inc. |
| Trans National Communications International, Inc. |
| TRCA |
| Triarch Marketing, Inc. |
| Tri-M Communications, Inc. d/b/a Globalinx |
| Trinsic Communications |
| Trinsic Communications, Inc. |
| Troomi Wireless, Inc. |
| TruConnect Communications, Inc. |
| TruTelco LLC |
| Tube Incorporated |