M+W Group, with headquarters in Stuttgart, Germany, is one of the leading global companies in the field of high-tech engineering, procurement and construction. From concept development to turnkey solutions, the Group manages projects of all sizes for many industries.

The Berghof  group of companies based in Eningen u. A. (in the Reutlingen region) is the leading provider of technically sophisticated, user-oriented industrial products and services.

Pfeffer Filtertechnik gives solutions to optimize the quality of water in primarily industrial applications. The company, founded June 1988 and led by Ulrich Pfeffer, attends to water treatment and the distribution of various filtering options.