SI Group

SI Group is a global leader in the innovative technology of performance additives, process solutions, active pharmaceutical ingredients, and chemical intermediates. SI Group solutions are essential to enhancing the quality and performance of countless industrial and consumer goods within the plastics, rubber & adhesives, fuels & lubricants, oilfield, pharmaceutical, and industrial resins industries. Beyond our current portfolio, SI Group’s team of technical experts is paving the way for the innovative products of tomorrow. Our global manufacturing footprint includes 20 facilities on four continents, serving customers in 90 countries with 2,000 employees worldwide. SI Group innovates and drives change to create value with a passion for safety, chemistry, sustainability and extraordinary results. Learn more at