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
SCA SCB SCC SCD SCE SCF SCG SCH SCI SCJ SCK SCL SCM SCN SCO SCP SCQ SCR SCS SCT SCU SCV SCW SCX SCY SCZ
SCIC SCIF SCIG SCIH SCII SCIJ SCIL SCIU SCIW SCIX SCIY SCIZ
1 SCIH ISG South Chicago & Indiana Harbor Ry. Co. d/b/a South Chicago & Indiana Harbor Ry. Co. 7/2005; eliminated 7/2007   NAKINA
2 SCIH ISG SOUTH CHICAGO & INDIANA HARBOR RWY. CO. d/b/a SOUTH CHICAGO & INDIANA HARBOR RWY. CO.     PWRC
3 SCIH ISG South Chicago and Indiana Harbor Railway     RSRV
4 SCIH SOUTH CHICAGO & INDIANA HARBOR RAIL     SCAC4