Otto Roiss

Röhren und Pumpenwerk BAUER GmbH manufactures irrigation systems and pumps. Its products include PIVOT and LINEAR systems, RAINSTAR, PRORAIN, sprinklers, diesel pump units, pipe irrigation, agitation technology, pumping technology, premium tankers, Profi Tankers, waste water and slurry sprinkler, coupling pipes, fittings and rubber sealing ring. The company was founded by Rudolf Bauer in 1930 and is headquartered in Voitsberg, Austria.

Part of Röhren und Pumpenwerk BAUER GmbH, Eckart Maschinenbau GmbH is a German company that specializes in irrigation systems, manure technology, and wastewater management. The company is based in Schaufling, Germany. The company uses carefully selected raw materials, precise manufacturing techniques, and smart processes to create machines that are built to last. The CEOs are Otto Roiss, Andreas Schitter. The company was founded in 1921 by J. Eckart.

FAN Separator GmbH develops, manufactures, and markets solid and liquid separation equipment and solutions for the mechanical and chemical-physical treatment. It offers separator pss, screw press bp, centrifuge ccs, bedding recovery unit, agitation and pumping technology. The company was founded in August 1986 and is headquartered in Marktschorgast, Germany.