ACEC, ACV, Ariston, Atag, Bosch, Brötje, Buderus, Bulex, Chaffoteaux & Maury, Chappee, Clima, De Dietrich, Eiffel, Elco, Ferroli, Gazobel, GEMINOX, Golling, IDEAL, Immergas, Itho-Daalderop, Junkers, Kalard, Lamborghini, Nefit, Oertli, Radson, Rapido, Remeha, Riello, Saint Roch, Sime, Stelrad Group, Vaillant, Van Marcke, Viessmann, Weishaupt, Wolf, ZAEGEL.