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
K& K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA KB KC KD KE KF KG KH KI KJ KK KL KM KN KO KP KQ KR KS KT KU KV KW KX KY KZ
KBA KBB KBC KBD KBE KBF KBG KBH KBI KBJ KBK KBL KBM KBN KBO KBP KBR KBS KBT KBU KBV KBW KBX KBZ
KBKF KBKO KBKS KBKX
1 KBKX Carey, Baxter and Kennedy, Inc. 7/1937-4/1961 (not listed)   NAKINA
2 KBKX Carey, Baxter and Kennedy, Inc. 1/52-4/61   NRHS
3 KBKX CAREY, BAXTER & KENNEDY, INC.     PWRC