ABB, AVX, Adels, Allen Bradley, BJB, Beckhoff, ContaClip, Degson, Dinkle, Euroclamp, Finder, Hager-Klemmen, Klemsan, Lumberg, Lütze, Molex, Murr, Niedax, Omron, PULS Stromver., Phoenix Contact, Pollmann, RIA Metz, Releco, Schlegel, Siemens Stromver., Siemens-Klemmen, Tyco, Weidmüller, Wieland, Würth Elektronik