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
TTA TTB TTC TTD TTE TTF TTG TTH TTI TTJ TTK TTL TTM TTN TTO TTP TTQ TTR TTS TTT TTU TTV TTW TTX TTY TTZ
TTVD TTVE TTVF TTVI TTVJ TTVL TTVQ TTVS TTVT TTVV TTVW TTVX
1 TTVX Trailer Train Co. 1/1975-1/1980; eliminated 1/1992   NAKINA
2 TTVX TTX Co. added 1/1992; 1/1994-7/2005   NAKINA
3 TTVX Trailer Train Co. (flat cars equipped with Vert-A-Pak superstructure, furnished by participant railroads) 1/1975-1/1980   NAKINA
4 TTVX Trailer Train Co./TTX Co. (flat cars, equipped with tri-level auto racks without end doors and with or without roof panels) 7/1985-1/1994   NAKINA
5 TTVX Trailer Train Co.     NRHS
6 TTVX Trailer Train Co. (flat cars equipped with Vert-A-Pak superstructure, furnished by participant railroads) 1/75-1/80   NRHS
7 TTVX Trailer Train Co. eliminated 1/92   NRHS
8 TTVX TTX Co. added 1/92; 1/94   NRHS
9 TTVX TTX COMPANY {TRAILER TRAIN COMPANY}     PWRC
10 TTVX Trailer Train (TTX Corporation)     RSRV
11 TTVX TTX COMPANY     SCAC4