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
MMA MMB MMC MMD MME MMF MMG MMH MMI MMJ MMK MML MMM MMN MMO MMP MMQ MMR MMS MMT MMU MMV MMW MMX MMY MMZ
MMIA MMIC MMID MMIE MMIF MMIH MMII MMIJ MMIK MMIN MMIO MMIP MMIQ MMIR MMIT MMIU MMIX MMIY MMIZ
1 MMID Maryland Midland Ry., Inc. added 1/1984; 1/1994-7/2005   NAKINA
2 MMID Maryland Midland Ry. Co. added 1/1981; added 4/1981; eliminated 1/1984   NAKINA
3 MMID Maryland Midland Ry., Inc. added 1/81; added 4/81; 1/94-7/2000   NRHS
4 MMID MARYLAND MIDLAND RAILWAY, INC.     PWRC
5 MMID Maryland Midland Railway     RSRV
6 MMID Maryland Midland   USA TRAFFIC