Originally founded by Dr. Stanton Allen and Lynde Bradley, Allen Bradley is one of the worlds leading names in industrial automation and is owned by Rockwell Automation. The company manufacture a wide range of programmable logic controllers, industrial monitors, AC drives, servo drives and sensors. Some famous lines include the SLC500 range of PLCs, the PowerFlex series of variable speed drives and the Panelview series of HMIs. Northern Industrial provide a wide range of Allen Bradley parts many of which are obsolete and no longer available through official channels.