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