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
GB& GBA GBB GBC GBD GBE GBF GBG GBH GBI GBJ GBK GBL GBM GBN GBO GBP GBQ GBR GBS GBT GBU GBV GBW GBX GBY GBZ
GBSC GBSD GBSE GBSH GBSJ GBSL GBSM GBSN GBSO GBSR GBSS GBST GBSU GBSV GBSX GBSY
1 GBSX Great Bear Spring Co. 7/1935-7/1954; eliminated 10/1957   NAKINA
2 GBSX Great Bear Spring Co. 4/38-1/52; eliminated 10/57   NRHS
3 GBSX GREAT BEAR SPRING CO.     PWRC