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
IOA IOB IOC IOE IOF IOI IOL IOM ION IOP IOR IOS IOT IOU IOX IOZ
IOEP IOER
1 IOER Indiana & Ohio Rail System eliminated 10/1994   NAKINA
2 IOER The Indiana & Ohio Eastern R.R., Inc. added 1/1988; 1/1994   NAKINA
3 IOER The Indiana & Ohio Eastern R.R., Inc. added 1/88; 1/94   NRHS
4 IOER Indiana & Ohio Rail System eliminated 10/94   NRHS
5 IOER RETIRED 01-05-94 ATP (979) [INDIANA & OHIO EASTERN RAILROAD]     PWRC
6 IOER INTER-ONTARIO EQUIPMENT RENTAL & RE     SCAC4