Solvay is a Belgian multinational chemical company established in 1863, with its headquarters located in Neder-Over-Heembeek, Brussels, Belgium. In 2015, it realized €12.4 billion in revenues, €2.336 billion of EBITDA, 43% of its sales in emerging high-growth countries, 90% of its sales in markets where it is ranked among the top three manufacturers. With 145 sites, Solvay employs 30,900 people in 53 countries. History Founded in 1863 by Ernest Solvay and his brother Alfred Solvay to produce sodium carbonate by the Solvay process, the company has diversified into two main sectors of activity: chemicals and plastics. Before World War I, Solvay was the largest multinational company in the world. It was formerly also active in pharmaceuticals, but agreed to sell that entire division to Abbott Labs for €4.5 billion in September 2009, a deal completed in February 2010. In April 2011, the firm agreed to the €3.4 billion acquisition of French-based chemicals company Rhodia which was completed in September 2011. Since January 2012, the new Solvay is listed on the NYSE Euronext in Paris and joined the CAC 40 index in September 2012. Solvay is historically listed on the NYSE Euronext in Brussels and part of BEL20 index. Following its integration with Rhodia, the Committee of Executive Members at Solvay reorganised its various business units into five segments – Consumer Chemicals, Advanced Materials, Performance Chemicals, Functional Polymers and Corporate & Business Services, effective from 2013. The company is a supporter of the Solvay Conferences that were started by Ernest Solvay in 1911. On December 3, 2015, Solvay launched a share issue sent to existing shareholders, completing funding for the $5.5 billion purchase of Cytec Industries Inc. Corporate affairs The company's head office is located in Brussels, Belgium. It was previously in Ixelles, Brussels Solvay's United States subsidiary, Solvay America, Inc., is based in Houston, Texas. Products Solvay is a main partner of Solar Impulse and has contributed research and development resources to their solar powered airplane project. That aircraft conducted its first test flight on 3. December 2009, and since then has made solar-powered flights from Switzerland to Spain and Morocco in 2012. In 2015–2016, Solar Impulse 2 flew around the world, the first such journey by a solar-powered aircraft. Fuel cell technology SolviCore, a joint venture by Umicore and Solvay in the field of fuel cells is already pre-marketing membrane-electrode assemblies for different types of fuel cells for portable