Wagner Magnete
Waldmann
Walter Pneumatik (Norgren)
Walther Pilot
Wam
Wandres
Warex
Warner Electric
Watec
Watergates
Watlow.
Watson Marlow
Weber Hydraulik
Webomatic
WEHRLE
Weidmüller
Weigel
Weintek
Weipu
Weishaupt
Weiss
Weka
Welotec
Wenglor
Werma
Western
Luxco (formerly Westronics)
White-Rodgers
Whitman Controls
Wöhner
