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
MH& MHA MHB MHC MHD MHE MHF MHG MHH MHI MHJ MHK MHL MHM MHN MHO MHP MHQ MHR MHS MHT MHU MHV MHW MHX MHY MHZ
MHQT MHQU MHQZ
1 MHQU U.S. DEPT. OF DEFENSE - MILITARY SEALIFT COMMAND HQ WASHINGTON DC     PWRC
2 MHQU Military Sealift Command     RSRV
3 MHQU MILITARY SEALIFT COMMAND HEADQUARTE     SCAC4