AT&T | Cellular One | Frontier Communications | Hofnet Communications | Hughes Network Systems, LLC | Illinois Consolidated Telephone Company | Mediacom Communications Corporation | One-Eleven Internet Services, Inc. | Royell Communications, Inc. | Rural Comm Internet | Shelby Electric Cooperative | Skycasters | Sprint Nextel Corporation | Starband | T-6 Broadband | T-Mobile USA, Inc. | Telecommunications Management, LLC | Urban Communications, Inc. | Verizon Communications, Inc. | ViaSat