W. R. GRACE & CO.-CONN., through its subsidiaries, produces and sells specialty chemicals and materials worldwide. It operates through two segments, Grace Catalyst Technologies and Grace Materials Technologies. The Grace Catalysts Technologies segment offers fluid catalytic cracking (FCC) catalysts for the production of transportation fuels, such as gasoline and diesel fuels, petrochemicals; and FCC additives. This segment also provides information on hydroprocessing catalysts used in process reactors to upgrade heavy oils into lighter products; polyolefin and chemical catalysts used for the production of polypropylene and polyethylene thermoplastic resins; and chemical catalysts, as well as gas-phase polypropylene process technology to manufacture polypropylene products. The Grace Materials Technologies segment offers functional additives and process aids, such as silica gel, colloidal silica, zeolitic adsorbents, precipitated silica, and silica-aluminas; and fine chemical intermediates and regulatory starting materials for use in consumer/pharma, coatings, and chemical process applications. The company was formerly known as Grace Specialty Chemicals, Inc. and changed its name to W. R. GRACE & CO.-CONN. in April 1998. The company was founded in 1854 and is based in Columbia, Maryland with additional locations across the world. As of September 22, 2021, W. R. GRACE & CO.-CONN. operates as a subsidiary of Standard Industries Inc.