Siegfried Menk

SCL GmbH manufactures and supplies industrial specialty chemicals for water treatment. Its industrial specialty chemicals includes complex agents, defoamers, and biocides. The firm focuses on encompass sewage treatment, deposit removal, and water treatment and purification applications. It also develops treatment chemicals for clients in the municipal sewage plant, papermaking, and industrial sectors. The company was founded by Siegfried Menk and Georg Kosing on November 1, 2009 and is headquartered in Butzbach, Germany.

Part of Ashland, Inc., Ashland Deutschland GmbH is a German company that manufactures and sells chemical products. The company is based in Krefeld, Germany.

Ashland LLC engages in the manufacture and distribution of specialty chemical solutions. It operates through the following segment: Specialty Ingredients, Composites, and Intermediates and Solvents. The Specialty Ingredients segment offers cellulose ethers, vinyl pyrrolidones, and bifunctional. The Composites segment includes unsaturated polyester resins, vinyl ester resins, and gelcoats. The Intermediates and Solvents segment produces butanediol (BDO) and related derivatives, including tetrahydrofuran and n-methylpyrrolidone. The company was founded by Paul G. Blazer in 1924 and is headquartered in Covington, KY.

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.