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
ISA ISB ISC ISD ISE ISF ISG ISH ISI ISK ISL ISM ISN ISO ISP ISR ISS IST ISU ISV ISW ISX ISY
ISUZ
1 ISU Iowa Southern Utilities (Southern Industrial R.R., Inc.) 1/1975-1/1980   NAKINA
2 ISU Southern Industrial R.R., Inc. 7/1965-10/1966   NAKINA
3 ISU Southern Iowa Ry. Co. 10/1957-4/1961   NAKINA
4 ISU Iowa Southern Utilities Co. 1/1941-7/1954   NAKINA
5 ISU Iowa Southern Utilities Co. Jan-52   NRHS
6 ISU Southern Iowa Ry. Co. 10/57-4/61   NRHS
7 ISU Southern Industrial R.R., Inc. 7/65-10/66   NRHS
8 ISU Iowa Southern Utilities (Southern Industrial R.R., Inc.) 1/75-1/80   NRHS
9 ISU SOUTHERN IOWA RAILWAY CO. (IOWA SOUTHERN UTILITIES)     PWRC
10 ISU Iowa Southern Utilities (Southern Industrial Railroad)     RSRV
11 ISUZ SOUTHERN IOWA RAILWAY CO. (IOWA SOUTHERN UTILITIES; SOUTHERN INDUSTRIAL RAILROAD)     PWRC
12 ISUZU Isuzu   J TRAFFIC