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Essential Solutions with Extraordinary Results

SI Group is a global leader in the innovative technology of performance additives, process solutions, active pharmaceuticals ingredients, and chemical intermediates. Our solutions are essential to many diverse industries and applications, creating extraordinary results. We drive value by enhancing the quality, performance, and durability of countless items we use every day.

We are on a journey to captivate our customers at every level. Whether that means expanding our capabilities, global reach, or providing new innovations and technologies that create value. Our approach is customized to exceed customer needs and deliver superior performance.

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Secure access to SI Group financial statements and reports

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Recent News

Sep 15, 2025

SI Group to showcase sustainable additive innovations at k 2025

Industry Leader Presents Advanced Solutions for Plastics and Rubber Press Release Media Contact: Joseph Grande ph: + 1.413.684.2463 joe@jgrandecommunications.com THE WOODLANDS, Texas – Sept. 15, 2025false
Mar 31, 2025

SI Group to showcase polymer additive innovations at chinaplas 2025

Demonstrating the company’s commitment to sustainability and growth in the APAC region Media Contact: Joseph Grande ph: + 1.413.684.2463 joe@jgrandecommunications.com THE WOODLANDS, TEXAS – March 31,false
Mar 19, 2025

SI Group awarded bronze medal by ecovadis for corporate social responsibility

Company Ranked in the Top 35% of All Rated Companies Underscoring the Company’s Commitment to Good Sustainability Practices