"Solvay is a Belgian chemical company founded in 1863, with its head office in Neder-Over-Heembeek, Brussels, Belgium.
In 2015, it realized €12.4 billion in revenues, €2.336 billion ...
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of REBITDA, 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." - (en.wikipedia.org 29.01.2020)