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
B& B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ
BTA BTB BTC BTD BTE BTF BTG BTH BTI BTJ BTK BTL BTM BTN BTO BTP BTQ BTR BTS BTT BTU BTV BTW BTX BTY BTZ
BTLA BTLB BTLC BTLE BTLF BTLG BTLH BTLI BTLJ BTLK BTLL BTLM BTLO BTLP BTLQ BTLR BTLS BTLT BTLU BTLV BTLX BTLY BTLZ
1 BTLX W.H. Barber Co. (General American Tank Car Corp.) 7/1923   NAKINA
2 BTLX W.H. Barber Co. 7/1930-4/1961; eliminated 1/1965   NAKINA
3 BTLX W.H. Barber Agency Co. (General American Tank Car Corp.) 8/1920   NAKINA
4 BTLX W.H. Barber Co. 4/38-4/61; eliminated 1/65   NRHS
5 BTLX W. H. BARBER CO.     PWRC