Wiltrud Treffenfeldt

ProBioGen AG operates as a contract development and manufacturing organization. It specializes in cell line engineering, process development, and GMP manufacturing of biopharmaceuticals. The firm offers services such as cell line development, process development, manufacturing programs, physio-chemical analyses, and cell-based assays. The company was founded by Uwe Marx on June 13, 1994 and is headquartered in Berlin, Germany.

The Dow Chemical Co. engages in the manufacture and distribution of chemicals, plastics, industrial and agricultural products. It serves agriculture, automotive, building and construction, consumer, electronic materials, infrastructure, packaging, product finder and product safety industries. The company was founded by Herbert Henry Dow in 1897 and is headquartered in Midland, MI.

Degussa AG is the world's third largest producer of precious metals. The company operates three divisions; precious metals and banking, which is involved in precious metals trading, production of precious metals and the manufacture of precious metal compounds and products in addition to operating its own bank, 'Degussa Bank', which is a universal bank providing traditional banking services. Chemical products is the second division and is involved in manufacturing fine and special chemicals, rubbers, pigments and chemical catalysts. The third and final division, health and nutrition is involved in manufacturing pharmaceuticals, dental chemicals and fodder additives. The company has subsidiaries in Germany, other European countries, USA, Brazil, Singapore, Japan and South Korea.

Part of Dow, Inc., Dow Olefinverbund GmbH is a materials science company based in Schkopau, DE. The CEOs are Christoph Ludwig Maier, Kepa Diaz de Mendibil, Hanna Sitzler. Dow Olefinverbund delivers innovative and sustainable solutions for customers in packaging, infrastructure, and consumer care. The German company's portfolio includes polyurethane materials for furniture, insulation, structural, and automotive markets, silicone release liners, adhesive plastic films, and pressure-sensitive tapes. The private company also provides high-performance materials and technologies for synthetic sport fields and track surfaces. The company was founded in 2003.