<Tr> <Td> Broadpoint </Td> <Td> GSM </Td> <Td> EDGE, LTE </Td> <Td> Unknown </Td> <Td> Gulf of Mexico </Td> <Td> Alta Communications </Td> </Tr> <Tr> <Td> Bug Tussel Wireless wholesale roaming provider </Td> <Td> UMTS </Td> <Td> HSPA+, LTE </Td> <Td> Unknown </Td> <Td> WI </Td> <Td> Bug Tussel Wireless, LLC </Td> </Tr> <Tr> <Td> C Spire Wireless </Td> <Td> CDMA2000 </Td> <Td> EV - DO, LTE </Td> <Td> 1.2 (May 2016) </Td> <Td> MS, TN, FL, AL, </Td> <Td> Telapex, Inc . </Td> </Tr> <Tr> <Td> Carolina West Wireless </Td> <Td> CDMA2000 </Td> <Td> EV - DO, LTE </Td> <Td> 0.08 (April 2013) </Td> <Td> NC </Td> <Td> Carolina West Wireless, Inc . </Td> </Tr>

Who are the gsm carriers in the us