SI Group is a leading global developer and manufacturer of performance additives, process solutions, pharmaceuticals and chemical intermediates, with strong positions in the plastics, oilfield, rubber, fuels & lubricants, active pharmaceutical ingredients and industrial resins industries. The company has three segments: Performance Additives, Process Solutions, and Intermediates. The Performance Additives segment provides specialty chemicals and intermediates used in a range of applications, including industrial resins, coatings, adhesives, fuels and lubricants, and plastics. The Process Solutions segment provides products and services that enhance the performance of industrial processes, including oilfield services and mining solutions. The Intermediates segment produces resins and intermediates used in the production of industrial resins, coatings, and adhesives. The company was founded in 1906 and is headquartered in Niskayuna, New York.