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
KPA KPB KPC KPE KPF KPG KPH KPI KPJ KPK KPL KPM KPN KPO KPP KPQ KPR KPS KPT KPU KPV KPX KPZ
KPRC KPRI KPRL KPRM KPRR KPRX
1 KPRX Western Light & Telephone Co., Inc. 1/1952-7/1954; 10/1957-4/1961 (not listed)   NAKINA
2 KPRX Kansas Power Co., Division of Western Light & Telephone Co., Inc. 4/1947-1/1950   NAKINA
3 KPRX Kansas Power Co. 1/1945-1/1946   NAKINA
4 KPRX Crystal Petroleum & Refining Co. 7/1923   NAKINA
5 KPRX Western Light & Telephone Co., Inc. 1/52-4/61   NRHS
6 KPRX *CRYSTAL PETROLEUM & REFINING CO.     PWRC
7 KPRX *WESTERN LIGHT & TELEPHONE CO., INC. [KANSAS POWER CO.]     PWRC