W.R. Grace & Co. engages in the production and sale of chemicals and materials. It operates through the Grace Catalysts Technologies and Grace Materials Technologies segments. The Grace Catalysts Technologies segment includes catalysts and related products and technologies used in refining, petrochemical and other chemical manufacturing applications. The Grace Materials Technologies segment includes materials, including silica-based and silica-alumina-based materials, used in coatings, consumer, industrial, and pharmaceutical applications. The company was founded by William Russell Grace in 1854 and is headquartered in Columbia, MD.