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
T& T- T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ
TXA TXB TXC TXD TXE TXF TXG TXH TXI TXJ TXK TXL TXM TXN TXO TXP TXQ TXR TXS TXT TXU TXV TXW TXX TXY TXZ
TXUP TXUS TXUX
1 TXUX TU Electric added 4/1996; 7/2000; eliminated 1/2002   NAKINA
2 TXUX TXU Electric added 1/2002; 7/2005; eliminated 1/2008   NAKINA
3 TXUX Luminant added 1/2008   NAKINA
4 TXUX TU Electric added 4/96; 7/2000   NRHS
5 TXUX *TXU ELECTRIC [TU ELECTRIC]     PWRC
6 TXUX +LUMINANT     PWRC
7 TXUX TXU Electric     RSRV
8 TXUX LUMINANT     SCAC4