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
UMA UMB UMC UMD UME UMF UMH UMI UMJ UMK UML UMM UMN UMO UMP UMR UMS UMT UMV UMX
UMPI UMPX
1 UMPX Upper Merion & Plymouth Leasing Co. added 4/1980; eliminated 4/1989   NAKINA
2 UMPX Upper Merion and Plymouth Leasing Co. added 4/1989; 1/1994   NAKINA
3 UMPX Upper Merion and Plymouth Co. eliminated 4/1996   NAKINA
4 UMPX First Union Rail added 4/1996; 7/2000-7/2005   NAKINA
5 UMPX Upper Merion & Plymouth Leasing Co. added 4/80; eliminated 4/89   NRHS
6 UMPX Upper Merion and Plymouth Leasing Co. added 4/89; 1/94   NRHS
7 UMPX Upper Merion and Plymouth Co. eliminated 4/96   NRHS
8 UMPX First Union Rail added 4/96; 7/2000   NRHS
9 UMPX FIRST UNION RAIL [UPPER MERION & PLYMOUTH LEASING COMPANY]     PWRC
10 UMPX Upper Merion and Plymouth Leasing     RSRV
11 UMPX FIRST UNION RAIL     SCAC4