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
MMBA MMBC MMBE MMBJ MMBK MMBL MMBM MMBP MMBQ MMBX
1 MMBX Master Builders, Inc. added 10/1987; 1/1994; eliminated 10/1995; added 10/1996; eliminated 1/1997; 7/2000-7/2005 (not listed)   NAKINA
2 MMBX Martin Marietta Corp. added 1/1979; 1/1980; eliminated 7/1986   NAKINA
3 MMBX Martin Marietta Corp. added 1/79; 1/80; eliminated 7/86   NRHS
4 MMBX Master Builders, Inc. added 10/87; 1/94; eliminated 10/95; added 10/96; eliminated 1/97; 7/2000   NRHS
5 MMBX MARTIN MARIETTA CORPORATION [MASTER BUILDERS, INC.]     PWRC
6 MMBX Martin Marietta Corporation (Master Builders)     RSRV
7 MMBX MASTER BUILDERS, INC.     SCAC4