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
JBA JBB JBC JBD JBE JBF JBG JBH JBI JBJ JBK JBL JBM JBN JBO JBP JBQ JBR JBS JBT JBU JBV JBW JBX JBY
JBCC JBCG JBCI JBCK JBCN JBCP JBCQ JBCU JBCX JBCZ
1 JBCX James B. Clow & Sons 7/1930-7/1932; 7/1937 (not listed); 4/1938-1/1952   NAKINA
2 JBCX James B. Clow & Sons 4/38-1/52   NRHS
3 JBCX JAMES B. CLOW & SONS     PWRC