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
Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z7 Z8 Z9 ZA ZB ZC ZD ZE ZF ZG ZH ZI ZJ ZK ZL ZM ZN ZO ZP ZQ ZR ZS ZT ZU ZV ZW ZX ZY ZZ
ZTB ZTC ZTE ZTI ZTK ZTL ZTM ZTN ZTP ZTR ZTS ZTT ZTU
ZTTU ZTTX
1 ZTTX Trailer Train Co. added 4/1966; eliminated 1/1992   NAKINA
2 ZTTX Trailer Train Co. (FM flat cars for general service. These cars are equipped with 15 stake pockets per side, total 30 stake pockets) 10/1966-10/1968   NAKINA
3 ZTTX Trailer Train Co./TTX Co. (flat cars equipped with 30 stake pockets, 15 per side; for transporting long poles) 4/1970-7/2000   NAKINA
4 ZTTX Trailer Train Co. added 4/1966; eliminated 1/1992   NAKINA
5 ZTTX TTX Co. added 1/1992; 1/1994-7/2005   NAKINA
6 ZTTX Trailer Train Co. added 4/66; eliminated 1/92   NRHS
7 ZTTX Trailer Train Co. (FM flat cars for general service. These cars are equipped with 15 stake pockets per side, total 30 stake pockets) 10/66-10/68   NRHS
8 ZTTX Trailer Train Co. Apr-70   NRHS
9 ZTTX Trailer Train Co. (flat cars equipped with 30 stake pockets, 15 per side; for transporting long poles) 1/75-1/80; eliminated 1/92   NRHS
10 ZTTX TTX Co. (flat cars equipped with 30 stake pockets, 15 per side; for transporting long poles) added 1/92; 1/94-7/2000   NRHS
11 ZTTX TTX COMPANY (TRAILER TRAIN COMPANY)     PWRC
12 ZTTX Trailer Train (TTX Corporation)     RSRV
13 ZTTX TTX COMPANY     SCAC4