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
M& M- M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ
M&B M&K M&L M&M M&N M&P M&R M&S M&U M&W
M&PA
1 M&PA Maryland & Pennsylvania R.R. Co. 4/1970   NAKINA
2 M&PA Maryland & Pennsylvania R.R. (Co.) 8/1920-10/1966   NAKINA
3 M&PA Maryland & Pennsylvania R.R. 4/38-10/66   NRHS
4 M&PA Maryland & Pennsylvania R.R. Co. Apr-70   NRHS
5 M&PA MARYLAND & PENNSYLVANIA RAILROAD CO.     PWRC