1 | SMEX | South Mississippi Electric Power Association | added 1/1978; 1/1980-7/2005 | | NAKINA |
2 | SMEX | South Mississippi Electric Power Association | added 1/78; 1/80-7/2000 | | NRHS |
3 | SMEX | SOUTH MISSISSIPPI ELECTRIC POWER ASSOCIATION | | | PWRC |
4 | SMEX | South Mississippi Electric Power Association | | | RSRV |
5 | SMEX | SOUTH MISSISSIPPI ELECTRIC POWER AS | | | SCAC4 |