Mitgliedschaft
AZ, Filtermist, FSP, Grat-Ex, Hema, Kant-Twist, KOPAL, Legrip, Lestol, Lestoprex, Linclamp, Loc-Line, Loc-Lite, Maxiflex, Mitee-Bite, Orbitool, Pclamp, PIG, QPM, Rota Rack, Rota-Rack, Sara, Visiport, WM Mag