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
TP& TP1 TP2 TPA TPB TPC TPD TPE TPF TPG TPH TPI TPJ TPK TPL TPM TPN TPO TPP TPQ TPR TPS TPT TPU TPV TPW TPX TPY TPZ
TPDA TPDE TPDL TPDM TPDO TPDP TPDR TPDT TPDV TPDX
1 TPDX Tennessee Products Corp. 7/1937-4/1947   NAKINA
2 TPDX Tennessee Products & Chemical Corp. 1/1950-7/1954; eliminated 4/1957   NAKINA
3 TPDX Union Tank Car Co. added 4/1957; 10/1957-4/1970; eliminated 7/1973   NAKINA
4 TPDX Tennessee Products Corp. Apr-38   NRHS
5 TPDX Tennessee Products & Chemical Corp. 1/52; eliminated 4/57   NRHS
6 TPDX Union Tank Car Co. added 4/57; 10/57-4/70; eliminated 7/73   NRHS
7 TPDX UNION TANK CAR CO. (TENNESSEE PRODUCTS & CHEMICAL CORP.)     PWRC
8 TPDX TTX COMPANY     SCAC4