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
KTA KTB KTC KTD KTE KTF KTG KTH KTI KTJ KTK KTL KTM KTN KTO KTP KTQ KTR KTS KTT KTU KTV KTW KTX KTY KTZ
KTCC KTCF KTCG KTCH KTCI KTCK KTCL KTCM KTCO KTCP KTCQ KTCR KTCS KTCT KTCU KTCV KTCW KTCX KTCY
1 KTCX Klamath Gas Co. added 7/1963; 7/1965-1/1975; eliminated 1/1980   NAKINA
2 KTCX Klamath Gas Co. added 7/63; 7/65-1/75; eliminated 1/80   NRHS
3 KTCX KLAMATH GAS CO.     PWRC
4 KTCX KLAMATH GAS CO     SCAC3