ARA, Arbonia, Caradon-Stelrad, Cetra, Concept, Dekatherm, Delta, Demrad, DiaNorm, Dia-therm, Dunaferr, DURA, Ferroli, Hagetec, Henrad, HM-Galant, Itemar/Biasi, Kaitherm, Kermi, Korado, Manaut, Purmo, Radson, Rettig, Starpan, Superia, VEHA, VSZ-Korad, Zehnder, Zehnder-Runtal, Zenith