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
ICA ICB ICC ICD ICE ICF ICG ICH ICI ICJ ICK ICL ICM ICN ICO ICP ICR ICS ICT ICU ICV ICW ICX ICY ICZ
ICDB ICDF ICDL ICDP ICDU ICDV ICDX
1 ICDX Inspiration Consolidated Copper Co. 8/1920-7/1930   NAKINA
2 ICDX INSPIRATION CONSOLIDATED COPPER CO     PWRC