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
C& C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ
CH& CHA CHB CHC CHD CHE CHF CHG CHH CHI CHJ CHK CHL CHM CHN CHO CHP CHQ CHR CHS CHT CHU CHV CHW CHX CHY CHZ
CHTA CHTC CHTD CHTE CHTF CHTG CHTH CHTK CHTL CHTM CHTN CHTO CHTP CHTQ CHTR CHTS CHTT CHTU CHTV CHTW CHTX CHTY
1 CHTT Union Pacific Ry. Co. added 4/1997; 7/2000-7/2005   NAKINA
2 CHTT Missouri Pacific System added 4/1981; 1/1994; eliminated 4/1997   NAKINA
3 CHTT Chicago Heights Terminal Transfer R.R. Co. 1/1975-1/1980   NAKINA
4 CHTT Chicago Heights Terminal Transfer R.R. Co. 1/75-1/80   NRHS
5 CHTT Missouri Pacific System added 4/81; 1/94; eliminated 4/97   NRHS
6 CHTT Union Pacific Ry. Co. added 4/97; 7/2000   NRHS
7 CHTT UP [MISSOURI PACIFIC] [CHICAGO HEIGHTS TERMINAL TRANSFER RR]     PWRC
8 CHTT Chicago Heights Terminal Transfer Railroad (Union Pacific Railroad)     RSRV
9 CHTT CHICAGO HEIGHTS TERMINAL TRANSFER R     SCAC3
10 CHTT Chicago Heights Transfer Terminal   USA TRAFFIC