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
U0 U1 U2 U3 U4 U5 U6 U7 U8 U9 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UO UP UQ UR US UT UU UV UW UX UY UZ
USA USB USC USD USE USF USG USH USI USJ USK USL USM USN USO USP USQ USR USS UST USU USV USW USX USY
USMB USMC USMG USML USMM USMN USMR USMS USMU USMV USMX USMZ
1 USMU UNITED STATES MARINE CORPS   USA BIC
2 USMU U.S. DEPARTMENT OF DEFENSE - MARINE CORPS     PWRC
3 USMU US Department of Defense Marine Corps     RSRV
4 USMU U S DEPARTMENT OF DEFENSE-MARINE CO     SCAC4