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
S& S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ
SDA SDB SDC SDD SDE SDF SDG SDH SDI SDJ SDK SDL SDM SDN SDO SDP SDQ SDR SDS SDT SDU SDV SDW SDX SDY SDZ
SDEA SDEC SDED SDEH SDEJ SDEM SDEO SDEQ SDER SDET SDEW SDEX SDEY
1 SDER SAN DIEGO ELECTRIC RAILWAY     PWRC
2 SDER San Diego Electric Railway     RSRV