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
J& J0 J1 J2 J3 J4 J5 J6 J7 J8 J9 JA JB JC JD JE JF JG JH JI JJ JK JL JM JN JO JP JQ JR JS JT JU JV JW JX JY JZ
JFA JFB JFC JFD JFE JFF JFG JFI JFJ JFK JFL JFM JFN JFO JFP JFR JFS JFT JFU JFV JFW JFX JFY JFZ
JFDS JFDX
1 JFDX W.K. Horney added 4/1975; 1/1980; eliminated 1/1985   NAKINA
2 JFDX Jack F. Duckworth added 1/1972; 1/1975; eliminated 4/1975   NAKINA
3 JFDX Jack F. Duckworth added 1/72; 1/75; eliminated 4/75   NRHS
4 JFDX W.K. Horney added 4/75; 1/80; eliminated 1/85   NRHS
5 JFDX W. K. HORNEY [JACK F. DUCKWORTH]     PWRC
6 JFDX W. K. Horney (First Union Rail)     RSRV