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
USLC USLD USLE USLF USLG USLI USLJ USLN USLO USLP USLR USLT USLU USLX USLY USLZ
1 USLD Detroit, Toledo and Ironton R.R. Co. 4/1970-1/1980; eliminated 1/1980   NAKINA
2 USLD Detroit, Toledo and Ironton R.R. Co. 4/70-1/80; eliminated 1/80   NRHS
3 USLD DETROIT, TOLEDO & IRONTON RAILROAD CO.     PWRC