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
GCA GCB GCC GCD GCE GCF GCG GCH GCI GCK GCL GCM GCN GCO GCP GCQ GCR GCS GCT GCU GCV GCW GCX GCY
GCSF GCSI GCSK GCSR GCST GCSU GCSX GCSY GCSZ
1 GCSF GULF, COLORADO & SANTA FE RAILWAY     PWRC
2 GCSF Gulf, Colorado and Santa Fe Railway     RSRV