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
MMSB MMSC MMSD MMSE MMSF MMSG MMSH MMSI MMSL MMSM MMSO MMSP MMSR MMSS MMSU MMSV MMSX MMSY MMSZ
1 MMSX Blue Circle Inc. added 7/1983; eliminated 4/1987   NAKINA
2 MMSX Martin Marietta Corp. added 1/1979; 1/1980; eliminated 7/1983   NAKINA
3 MMSX Martin Marietta Cement, Division of Martin Marietta Corp. added 1/1975; 1/1975; eliminated 1/1979   NAKINA
4 MMSX Martin Marietta Cement, Division of Martin Marietta Corp. added 1/75; 1/75; eliminated 1/79   NRHS
5 MMSX Martin Marietta Corp. added 1/79; 1/80   NRHS
6 MMSX Blue Circle Inc. eliminated 4/87   NRHS
7 MMSX BLUE CIRCLE INC. {MARTIN MARIETTA CORP.]     PWRC
8 MMSX Blue Circle     RSRV