Argor SA was an important gold and silver refiner based in Chiasso, Ticino, Switzerland. Argor SA was aquired by UBS in 1973, now the company trades under the Argor Heraeus SA name following a joint venture with Heraeus in 1986.
Their main production facility is now based in Mendrisio (also in Ticino, Switzerland), where they refine silver, gold, platinum and palladium in addition to producing investment grade bars for wholesale and retail markets. They also have international branch offices in Germany, Italy and Chile. (Credit: Chards UK)
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