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
TGA TGB TGC TGD TGE TGF TGG TGH TGI TGJ TGK TGL TGM TGN TGO TGP TGQ TGR TGS TGT TGU TGV TGW TGX TGY TGZ
TGNA TGNB TGNI TGNK TGNP TGNS TGNT TGNU TGNX TGNY
1 TGNX Texas Genco II, LP 7/2005; eliminated 10/2006   NAKINA
2 TGNX NRG Energy, Inc. added 10/2006   NAKINA
3 TGNX NRG ENERGY, INC.     PWRC
4 TGNX NRG ENERGY INC     SCAC4