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History Omya AG was orginally known as Pluss-Staufer AG up until a few years ago. Pluss-Staufer started life when Gottfried Pluss and Emma Staufer set-up a company to manufacture high quality glazier's putty in Oftringen in 1884. Find out how their entrepreneurial vision and courage enabled the company to grow into the international white minerals company that exists today. More... Profile Omya AG is an international white minerals company supplying high quality calcium carbonates and talcs. The Company's major markets include paper, plastics, rubber, coatings, adhesives, building products and agriculture. Omya is a privately owned undertaking, and as a result, it is able to pursue longer-term goals than comparable publicly-quoted companies. Find out about the policies that have shaped the development of the Company through to the present day. More... Sites Omya has grown steadily since it was formed more than 115 years ago. The Head Office is in Oftringen, Switzerland near one of the World's most important commercial centres in Zurich. The Company has around 5600 employees in some 100 locations in 30 countries. Find out about Omya around the World. More..