AT&T | BANICON Inc. | DerbyNet | Frontier Communications | Hughes Network Systems, LLC | Illinois Valley Cellular | Mediacom Communications Corporation | Mid Century Telephone Cooperative, Inc. | Network Business Systems | New Wave Net Corp | Noize Communications | Skycasters | Sprint Nextel Corporation | Starband | T-6 Broadband | US Cellular | Verizon Communications, Inc. | ViaSat