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
MD& MDA MDB MDC MDD MDE MDF MDG MDH MDI MDJ MDK MDL MDM MDN MDO MDP MDQ MDR MDS MDT MDU MDV MDW MDX MDY MDZ
MDLC MDLD MDLF MDLJ MDLK MDLN MDLQ MDLR MDLU MDLV MDLW MDLY
1 MDLR Pennsylvania Southwestern R.R. Inc. added 10/2003; eliminated 4/2004; added 4/2005; 7/2005   NAKINA
2 MDLR The Midland Terminal Co. added 10/1983; 1/1994-7/2000; eliminated 10/2003   NAKINA
3 MDLR The Midland Terminal Co. added 10/83; 1/94-7/2000   NRHS
4 MDLR PENNSYLVANIA SOUTHWESTERN RAILROAD, IMC. [MIDLAND TERMINAL COMPANY]     PWRC
5 MDLR Midland Terminal     RSRV