SI Group, Inc.

We create smart chemistry that solves global challenges and makes great things possible. SI Group is a performance additives and intermediates business. We offer a broad array of products that feed into diverse applications including pharmaceuticals; plastics; oil and gas; and tires, among many others. We create solutions that provide formulators and manufacturers with the ability to increase efficacy, efficiency, productivity, and purity in countless industrial and consumer goods. We’re a global leader with a local presence in 10 countries, more than 2,800 employees, and customers in more than 90 countries. Our expansive global footprint coupled with our integrated global supply chain deliver products and solutions where our customers need them, when they need them.