ATR Industrie-Elektronik GmbH, founded in 1970, specializes in the development and production of industrial electronics and switchgear. A company of the Siempelkamp group, it is headquartered in Krefeld, Germany. ATR's main areas include the production of control systems, distribution panels, and equipment for industrial automation. The company also produces electronic components such as amplifiers, controllers, and converters, used in various sectors such as metrology and control technology. ATR is known for its ability to customize products based on customer needs and has obtained international certifications such as UL and cUL, making its products suitable for global applications.