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 GCSX Gulf, Colorado & San Sabe Ry. 7/2005   NAKINA
2 GCSX Granite City Steel Co. 7/1930-1/1941; 1/1943-4/1961 (not listed)   NAKINA
3 GCSX Granite City Steel Co. 4/38-4/61   NRHS
4 GCSX *GRANITE CITY STEEL CO.     PWRC
5 GCSX *GULF, COLORADO & SAN SABA RWY.     PWRC
6 GCSX RAIL LOGISTICS SERVICES INC     SCAC4