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
GCBC GCBD GCBI GCBL GCBR GCBU GCBX
1 GCBX Gray Chemical Co. 7/1935-1/1946   NAKINA
2 GCBX Gray Chemical Co. Apr-38   NRHS
3 GCBX GRAY CHEMICAL CO.     PWRC