 Kadette |
 Kaide electronics co ltd |
 Kaiser |
 Kaito |
 Kamensk-Ural Radio works |
 Kamensk-Uralsk Radio Works |
 Kandavas Radiorupnica |
 Kapsch |
 Kapsch |
 Kapsch |
 Kasuntest |
 KATJI |
 Kchibo |
 Keenox |
 Kennedy |
 Kénotron |
 Kénotron |
 Kensington |
 Kenton |
 Kenwood |
 Kenwood |
 Kenwood |
 Kera-Brodin |
 Kera-Brodin |
 Key-Radio |
 Ki-Va |
 Kikusui Electronic Corporation |
 King Radio |
 King's Radio |
 Kingshill |
 Kingshill |
 Kingshill |
 Kipo |
 Kiraco |
 Klervox |
 Knstar |
 Kodel Radio Corp |
 Kolster (ES) |
 Kolster (USA) |
 Kolster Brandes (GB) |
 Kolster Brandes (GB) |
 Kooltech |
 Korona |
 Korona (ITT) |
 Kosagaï |
 Kosmophon |
 Kosmos |
 Kramolin |
 Krechlok |
 Kremz |
 Kriesler |
 Krystal |
 Kuba |
 Kuba |
 Kungs |
 Körting |
 Körting |
 Körting |
 Körting |