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
G& G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GY GZ
GUA GUB GUC GUD GUE GUF GUG GUH GUI GUJ GUK GUL GUM GUN GUP GUR GUS GUT GUW GUX GUY GUZ
GUED GUEE GUEI GUEQ GUEX
1 GUEX General American Marks Co. added 1/1998; 7/2000-7/2005   NAKINA
2 GUEX General American Transportation Corp. added 4/1971; 1/1975-1/1994; eliminated 1/1998   NAKINA
3 GUEX General American Transportation Corp. added 4/71; 1/75-1/94; eliminated 1/98   NRHS
4 GUEX General American Marks Co. added 1/98; 7/2000   NRHS
5 GUEX GENERAL AMERICAN MARKS CO. [GENERAL AMERICAN TRANSPORTATION CORP.]     PWRC
6 GUEX General American Marks (GATX Corporation)     RSRV