Elektro-Automatik is one of the world's leading manufacturers of programmable DC power supplies and electronics loads. The devices are developed and manufactured in Germany.

iseg is a German producer of high voltage power supplies for all fields of industry and research. By using modern, patented resonant converter technology iseg delivers efficient and high precise power supplies in small form factors and excellent electrical parameters.

Dr. Hubert is a German developer and manufacturer for modular 4-Quadrant Voltage and Current Amplifier Systems, and HF Amplifiers.