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
UFA UFB UFC UFD UFE UFF UFG UFH UFI UFL UFO UFP UFR UFS UFT UFX
UFIC UFIX UFIZ
1 UFIX Utility Fuels, Inc. added 7/1978; 1/1980-1/1994; eliminated 4/1994   NAKINA
2 UFIX Houston Lighting & Power Co. added 4/1994; eliminated 7/2000   NAKINA
3 UFIX Reliant Energy HL&P added 7/2000; 7/2000; eliminated 10/2004   NAKINA
4 UFIX Texas Genco, LP added 10/2004; eliminated 7/2005   NAKINA
5 UFIX Texas Genco II, LP added 7/2005; 7/2005; eliminated 10/2006   NAKINA
6 UFIX NRG Energy, Inc. added 10/2006; eliminated 4/2009; eliminated 7/2009   NAKINA
7 UFIX Utility Fuels, Inc. added 7/78; 1/80-1/94; eliminated 4/94   NRHS
8 UFIX Houston Lighting & Power Co. added 4/94; eliminated 7/2000   NRHS
9 UFIX Reliant Energy HL&P added 7/2000; 7/2000   NRHS
10 UFIX *UTILITY FUELS INC.     PWRC
11 UFIX +NRG ENERGY, INC. [TEXAS GENCO; [RELIANT ENERGY; HOUSTON LIGHTING & POWER COMPANY]     PWRC
12 UFIX Utility Fuels     RSRV
13 UFIX NRG ENERGY INC     SCAC4