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
UHA UHC UHE UHI UHJ UHL UHM UHO UHP UHR UHS
UHRX
1 UHRX Upper Hudson River R.R. Corp. 7/2000 (not listed); added 1/2003; eliminated 4/2003; 7/2005 (not listed)   NAKINA
2 UHRX Upper Hudson River R.R. Corp. Jul-00   NRHS
3 UHRX UPPER HUDSON RIVER RAILROAD     PWRC
4 UHRX Upper Hudson River Railroad     RSRV
5 UHRX UPPER HUDSON RIVER RAILROAD CORPORA     SCAC4