Electron Tubes manufactured by National Tubes Manufacture (PWLR) (1945-1948)
Electron Tubes manufactured by ZWLE (1948-1991)
Electron Tubes manufactured by TELAM (1958?-1970?)
Electron Tubes manufactured by Industrial Institute of Electronics (PIE) (1956-2007)
Electron Tubes manufactured by LAMINA (1960-2007)
Electon Tubes manufactued by Doświadczalne Zakłady Lamp Elektronowych (DOLAM) (1963-2007)
Electron Tubes manufactured by ZELOS (1958-1998?)
Electron tubes manufactured by Polkolor and Zaklad Lamp Profesjonalnych