ABB
AIM
Altech
Amphenol
CHINT(正泰)
CIT Relay and Switch
Carlo Gavazzi Computing Solutions
Celduc
Conta-Clip, Inc.
Crouzet
Curtis Industries
Finder
HF(宏发)
Honeywell(霍尼韦尔)
IDEC(日本和泉)
Littelfuse(美国力特)
MACROMATIC
NTE ELECTRONICS, INC.
OMRON(欧姆龙)
PANASONIC(松下)
PICKER
Phoenix Contact(菲尼克斯)
Red Lion Controls(美国红狮)
Sensata
TE Connectivity(泰科电子)
TELE Controls Inc
WAGO(万可)
WRG(旺荣集团)
c3controls
weidmuller(魏德米勒)
施耐德