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
I& I2 I3 I4 I5 I6 I7 I8 I9 IA IB IC ID IE IF IG IH II IJ IK IL IM IN IO IP IQ IR IS IT IU IV IW IX IY IZ
IEA IEC IED IEE IEF IEI IEJ IEK IEL IEM IEP IEQ IER IES IET IEV IEW IEX
IERR IERT IERX
1 IERX General American Transportation Corp. 1/1950-1/1952; eliminated 10/1953   NAKINA
2 IERX Inland-Empire Refineries Inc. 1/1941-4/1947   NAKINA
3 IERX General American Transportation Corp. 1/52; eliminated 10/53   NRHS
4 IERX *INLAND-EMPIRE REFINERIES, INC.     PWRC
5 IERX *GENERAL AMERICAN TRANSPORTATION CORP     PWRC