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
C& C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ
CH& CHA CHB CHC CHD CHE CHF CHG CHH CHI CHJ CHK CHL CHM CHN CHO CHP CHQ CHR CHS CHT CHU CHV CHW CHX CHY CHZ
CH&G
1 CH&G Chicago, Harvard & Geneva Lake Ry. Co. 7/1923-7/1930   NAKINA
2 CH&G Chicago, Harvard & Geneva Lake Ry. Co. 23-Jul   NRHS
3 CH&G CHICAGO, HARVARD & GENEVA LAKE RWY. CO.     PWRC