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
G&E G&F G&J G&S G&U G&W
1 G&U Grafton & Upton R.R. (Co.) 8/1920-10/1966   NAKINA
2 G&U Grafton & Upton R.R. 4/38-10/66   NRHS
3 G&U GRAFTON & UPTON RAILROAD CO.     PWRC