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
CM& CMA CMB CMC CMD CME CMF CMG CMH CMI CMJ CMK CML CMM CMN CMO CMP CMQ CMR CMS CMT CMU CMV CMW CMX CMY CMZ
CM&G
1 CM&G Chicago, Milwaukee and Gary Ry. Co. (Chicago, Milwaukee, St. Paul & Pacific R.R. Co.) 7/1930   NAKINA
2 CM&G Chicago, Milwaukee and Gary Ry. Co. 8/1920-7/1923   NAKINA
3 CM&G Chicago, Milwaukee and Gary Ry. Co. 23-Jul   NRHS
4 CM&G CHICAGO, MILWAUKEE, ST. PAUL & PACIFIC RR [CHICAGO, MILWAUKEE & GARY RWY.]     PWRC