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The sia Group based in Frauenfeld ranks among the world’s top three suppliers of innovative abrasive systems. We develop, manufacture and market complete abrasive systems tailored to specific requirements and applications for surface preparation and finishing of all kinds. Through our commitment, we have made sanding and grinding into true surface technologies. Employing some 1,100 people worldwide, sia Abrasives posted net sales of CHF 261.4 million and operating income of CHF 28.0 million for 2005. sia Abrasives Holding AG is listed on SWX Swiss Exchange and generates more than 90% of its sales outside Switzerland.