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
IHA IHB IHC IHD IHE IHF IHH IHI IHK IHL IHM IHO IHP IHR IHS IHT IHX
IHCA IHCI IHCS IHCT IHCU IHCX
1 IHCX International Harvester Co. 1/1941-7/1965; eliminated 10/1965   NAKINA
2 IHCX International Harvester Co. 1/52-7/65; eliminated 10/65   NRHS
3 IHCX INTERNATIONAL HARVESTER CO.     PWRC
4 IHCX International Harvester Co.   USA TRAFFIC