THE WOODLANDS, Texas, Dec. 24, 2025 /PRNewswire/ -- SI Group, a leading global developer and manufacturer of performance additives, process solutions and chemical intermediates, today announced the ...

THE WOODLANDS, Texas, Oct. 2, 2025 /PRNewswire/ -- SI Group, a leading global developer and manufacturer of performance additives, process solutions, pharmaceuticals, and chemical intermediates, ...

Digital Archives Featuring More Than 50 Years of SI Articles, Photos and Covers Supported by Video Search Engine, Wikipedia Sports Encyclopedia, Links to Memorabilia and More! NEW YORK--(BUSINESS WIRE ...

NEW YORK--(BUSINESS WIRE)--SK Capital Partners, a private investment firm focused on the specialty materials, chemicals and pharmaceuticals sectors, announced today the completion of the acquisition ...

SI Group Inc. is relocating its global headquarters in Schenectady, N.Y., to a building less than 5 miles away. The plastics additive supplier announced Dec. 20 it will occupy a floor in an LEED Gold ...

THE WOODLANDS, Texas—SI Group has named Terry Walsh as the company's next senior vice president of operations. Walsh, who took the position May 8, brings three decades of global operations management ...

SK Capital Partners has acquired Schenectady, New York-based SI Group, a developer of performance additives and intermediates. No financial terms were disclosed. The deal is expected to close in the ...

SI Group, a developer and manufacturer of performance additives based in The Woodlands, Texas, has launched the Evercycle additives platform for plastics recycling at the K 2022 exhibition, which ...

THE WOODLANDS, Texas, Oct. 28, 2025 /PRNewswire/ -- SI Group, a leading global developer and manufacturer of performance additives, process solutions, and chemical intermediates, announced the ...