Markus Brütsch

Wendt Holding GmbH is a holding company with interests in grinding machines. The compnay and its subsidiaries develop and produce grinding technologies for hard materials, steel, glass, hard metal, ceramic and polycrystalline materials. The company was founded in 1920 and is headquartered in Meerbusch, Germany.

Precious Woods Holding AG produces and sells logs and sawn timber. The firm also engages in the sustainable management and use of tropical forest. It operates through the following segments: Sustainable Forestry in Brazil, Sustainable Forestry in Gabon, Trading and Carbon and Energy. The Sustainable Forestry in Brazil segment engages in the sustainable management of tropical forests and the processing of tropical timber in Brazil. The Sustainable Forestry in Gabon segment operates in the sustainable management of tropical forests and the processing of tropical timber in Gabon. The Trading segment engages in the trading of timber from external sources in Switzerland. The Carbon & Energy segment engages in the trading of certified emission reductions. The company was founded on December 17, 1990 and is headquartered in Zug, Switzerland.

Winterthur Technologie AG is engaged in the manufacture of grinding wheels for industrial applications. The company develops and manufactures grinding tools used in the cutting tool, automotive, turbine, machine tool and steel industries. Its products include vitrified bonded wheels, resin-bonded wheels, cut-off wheels made of composite materials, superabrasive grinding tools, abrasive belts and diamond cluster dressing tools. The three main brands sold by the company are Winterthur, Rappold and SlipNaxos. Winterthur Technologie was founded on December 11, 1998 and is headquartered in Switzerland.