Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
E& E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ
ECA ECB ECC ECD ECE ECF ECG ECH ECI ECJ ECK ECL ECM ECN ECO ECP ECQ ECR ECS ECT ECU ECV ECW ECX ECY
ECGA ECGH ECGI ECGL ECGO ECGP ECGS ECGT ECGX ECGY
1 ECGX Alabama Power Co. added 1/1991; 1/1994; eliminated 7/1999; added 10/1999; 7/2000-7/2005   NAKINA
2 ECGX Alabama Power Co. added 1/91; 1/94; eliminated 7/99; added 10/99; 7/2000   NRHS
3 ECGX *E. C. GASTON RAILROAD     PWRC
4 ECGX +ALABAMA POWER COMPANY     PWRC
5 ECGX Alabama Power     RSRV
6 ECGX ALABAMA POWER COMPANY     SCAC4