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
TC& TCA TCB TCC TCD TCE TCF TCG TCH TCI TCJ TCK TCL TCM TCN TCO TCP TCQ TCR TCS TCT TCU TCV TCW TCX TCY TCZ
TCGA TCGC TCGD TCGE TCGG TCGI TCGK TCGL TCGN TCGO TCGQ TCGS TCGU TCGV TCGW TCGX TCGY TCGZ
1 TCGX Tri-County Gas, Inc. added 10/1983; 1/1994; eliminated 7/1996; added 10/1996; eliminated 4/1997   NAKINA
2 TCGX Williams Energy Ventures, Inc. added 10/1999; 7/2000; eliminated 4/2002; 7/2005 (not listed)   NAKINA
3 TCGX Tri-County Gas, Inc. added 10/83; 1/94; eliminated 7/96; added 10/96; eliminated 4/97   NRHS
4 TCGX Williams Energy Ventures, Inc. added 10/99; 7/2000   NRHS
5 TCGX WILLIAMS ENERGY VENTURES, INC. [TRI-COUNTY GAS, INC.]     PWRC
6 TCGX Tri-County Gas     RSRV