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
ICRC ICRK ICRL ICRO ICRP ICRS ICRU ICRV ICRX ICRZ
1 ICRX Island Creek Corp. added 7/1989; 1/1994-7/2005 (not listed)   NAKINA
2 ICRX Island Creek Coal Co. added 1/1979; 1/1980; eliminated 7/1989   NAKINA
3 ICRX *IRON CLIFFS RAILWAY COMPANY     PWRC
4 ICRX +ISLAND CREEK CORPORATION {ISLAND CREEK COAL COMPANY]     PWRC
5 ICRX Island Creek Coal     RSRV