Grundfos Water Treatment GmbH (formerly known as Alldos Eichler GmbH)

Grundfos  is a pump manufacturer, based in Denmark, with more than 18,000 employees globally. The annual production of more than 12 million pump units, circulator pumps (UP), submersible pumps (SP), and centrifugal pumps (CR). Grundfos also produces electric motors for the pumps as well as electric motors for separate merchandising. Grundfos develops and sells electronics for controls for pumps and other systems.

The Grundfos Group is represented by companies in all parts of the world. In addition, Grundfos products are merchandised by distributors in more than 50 countries.

In 2006 Hilge, a producer for pumps in sterile applications, was acquired by the group and sold to GEA in 2015.

Alldos, a German manufacturer of dosing pumps and disinfection equipment, was acquired in early 2005. Alldos employed around 250 people and had a strong presence in Europe and the Middle East and Australia. Alldos were the only competitor to Grundfos's 'digital dosing' technology. Grundfos dosing products now include Alldos's corporate colour green with Grundfos black.