15 Biggest Water Treatment Companies in the World

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13. BASF SE

With headquarters in Ludwigshafen am Rhein, Germany, BASF SE is involved in the manufacture and supply of different products. BASF Corporation is its largest affiliate. Originally an acronym for Badische Anilin- und Soda-Fabrik, the letters BASF are now a registered trademark. The company is listed in the Frankfurt Stock Exchange, Zurich Stock Exchange and the London Stock Exchange. It was founded in 1865 and provides products for oil and gas production, water treatment, the paper industry and health care.

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