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
MMAC MMAE MMAF MMAG MMAI MMAJ MMAM MMAP MMAU MMAV MMAW MMAX MMAZ
1 MMAX Martin Marietta Materials, Inc. added 7/2007   NAKINA
2 MMAX Martin Marietta Corp. added 4/1985; 1/1994; eliminated 7/1997; 7/2000-7/2005 (not listed)   NAKINA
3 MMAX Martin Marietta Aluminum Inc. added 7/1982; eliminated 1/1985   NAKINA
4 MMAX Defense Plant Corp. 1/1945-1/1946   NAKINA
5 MMAX Martin Marietta Aluminum Inc. added 7/82; eliminated 1/85   NRHS
6 MMAX Martin Marietta Corp. added 4/85; 1/94; eliminated 7/97; 7/2000   NRHS
7 MMAX *DEFENSE PLANT CORP.     PWRC
8 MMAX +MARTIN MARIETTA MATERIALS, INC. [MARTIN MARIETTA ALUMINUM, INC.]     PWRC
9 MMAX Martin Marietta Aluminum     RSRV
10 MMAX MARTIN MARIETTA MATERIALS INC     SCAC4