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
MEA MEB MEC MED MEE MEF MEG MEH MEI MEJ MEK MEL MEM MEN MEO MEP MEQ MER MES MET MEU MEV MEW MEX MEY MEZ
MEPB MEPD MEPH MEPI MEPJ MEPK MEPM MEPQ MEPR MEPS MEPT MEPV MEPW MEPX
1 MEPX McGraw-Edison Co. added 4/1969; 4/1970-1/1980; eliminated 10/1993; 1/1994-7/2005 (not listed)   NAKINA
2 MEPX McGraw-Edison Co. added 4/69; 4/70-1/80; eliminated 10/93; 1/94-7/2000   NRHS
3 MEPX *MEAD PAPER COMPANY     PWRC
4 MEPX +McGRAW-EDISON COMPANY     PWRC
5 MEPX McGraw-Edison     RSRV
6 MEPX MC GRAW-EDISON COMPANY     SCAC4