Rainer Graf

AUMA Riester GmbH & Co. KG engages in the design, development and manufacture of electric actuators as well as valve gearboxes. Its products include multi-turn and part-turn, linear actuators, multi-turn and part-turn gearboxes, controls and communication systems. It also offers automation of all valve types solution. The firm serves water, energy, oil and gas, and industry markets. The company was founded by Werner Riester and Rudolf Dinse in 1964 and is headquartered in Müllheim, Germany.

Sipos Aktorik GmbH is a German company that manufactures bearings, gears, and drive elements. The private company is based in Altdorf, Germany. The CEOs of the company are Thomas Suckut and Jörg Hoffmann.

Part of EWD Eisenwerke Verwaltungs GmbH, Düker GmbH is a company based in Karlstadt am Main, Germany. Düker GmbH specializes in providing fire protection with cast iron drainage pipe systems, cast iron installation, and mixed installation. The German company offers approved solutions for practice and the culvert ventilation valve actively protects water supply lines from air accumulation, negative pressure, and pressure surges. Düker GmbH is a reliable partner for flow control and drainage, offering sustainable premium solutions, products, and services for everything related to water. The company also provides job advertisements and services on their website dueker.de. The company was founded in 1913. Oliver Kraxner has been the CEO of the company since 2018.

Auma - Armaturenantriebe GmbH is a company based in Muellheim, Germany. The German company manufactures and distributes valves and machine drives. It was founded in 1976 and is led by CEOs Ferdinand Maria Dirnhofer and Jörg Hoffmann.

Sindlhauser Materials GmbH engages in the manufacture and distribution of materials for coating. Its products include sputter targets; lanthanum hexaboride ceramic and cathodes; suspensions; granulates and evaporation raw materials; tungsten, tantalum, and molybdenum components; absorbers; and vacuum pump oil and grease. The company was founded in 1995 and is headquartered in Kempten, Germany.

AUMA Drives GmbH is a German company that specializes in developing and producing high-quality gearbox solutions and customized drive systems. The private company is based in Coswig, Germany. The company's products, such as worm gearboxes, are used in elevators worldwide. The company places a strong emphasis on maintaining high testing standards throughout their development and production processes to ensure maximum gearbox quality. A professional customer service is also essential for this international manufacturer of gearboxes and drive systems. The company was founded in 1896 by Herrmann Arthur Pekrun, and the CEOs are Ferdinand Dirnhofer, Thomas Suckut, Jörg Hoffmann.

DREHMO GmbH is a German company that specializes in manufacturing electromechanical actuators for remote control of industrial fittings. The company is based in Wenden, Germany. The CEOs of the private company are Werner Händel, Kai Ewald, Jörg Hoffmann.