Alhambra-Grantfork Telephone Company 

AT&T | Charter Communications | Frontier Communications | Hofnet Communications | Hughes Network Systems, LLC | Leap Wireless International, Inc. | Madison Telephone Company, Inc. | Royell Communications, Inc. | Rural Comm Internet  Shelby Electric Cooperative | Skycasters  Sprint Nextel Corporation | Starband |

T-Mobile USA, Inc. | Telecommunications Management, LLC | Tincans Wireless Internet | US Cellular | Verizon Communications, Inc. | ViaSat | Wisper ISP, Inc.