electrical equipment & supplies in Chicago, IL

GoHz: Go to 50 Hz, 60 Hz, 400 Hz... AC power supply, convert mains electricity (50Hz/60Hz) to variable frequency & variable voltage power source.

L&S Electric: the largest service center in the Midwest for all your rotating apparatus needs. We are also a worldwide leaders in hydro controls automation

Arnold Company is the proud manufacturer of the Door Demon® line of railcar and hopper trailer openers.  With a heavy focus on improving safety and productivity, Arnold Company offers railcar openers for covered hopper gates and boxcar doors, the new HTO Hopper Trailer Opener, a…