O Grupo A representa a GoTextMe, Altice (CSC Wireless), Enflick (TextNow), Bandwidth, Aerialink, Zip Whip Non Toll-Free, Brightlink, Triangle, Pine Cellular Phones, United Tel Assn, Digital Comm Consulting (OTZ Telecom), Bluegrass Wireless, Chat Mobility, Commnet Wireless, Sagebrush Cellular, Indigo Wireless, Telnyx LLC, Chariton Valley Tel. Co., Uintah Basin Electronic Telecom, Panhandle Telecom, Appalachian Wireless, Pioneer Cellular e Cellularone NE Arizona
O Grupo B representa a Dish Network, RINA (Rural Independent Network Association), Copper Valley Cellular, James Valley Wireless, Pine Belt Tel Co, Standing Rock Telecom, New Cell, Inland Tel Co, Cell One MTPCS LLC, Viaero Wireless, Panhandle Telecom, Northwest Missouri Cellular, GCI Communication, Illinois Valley Cellular, West Central Cellular, Carolina West Wireless, Nex-Tech Wireless, Thumb Cellular, RINA (Rural Independent Network Association), Crossville Tel Co, Union Telephone Company, NewCore Wireless, Alaska Wireless, ASTAC Wireless e Southern Communication Services