Since its founding in 1988, Zeolyst International has built its identity around material-science expertise and close technical collaboration with customers. The company develops specialty zeolite materials for demanding industrial processes, with hydrocracking catalysts as a longstanding specialty dating to 1993. Its manufacturing network spans Kansas City, Delfzijl, and Ghent, and all manufacturing facilities are ISO 9001 certified.
ISO 9001
W. R. Grace & Co.-ConnFor more than 165 years, W. R. Grace & Co.-Conn. has built its name around chemistry-driven manufacturing, with a global workforce and operations spanning every continent. The company develops specialty materials for industrial customers, while its Aiken plant—established in 1941 and acquired by Grace in 1980—mines and packages kaolin used in petroleum catalysts and concrete.COLUMBIA, MD
Zircoa IncFounded in 1952, Solon-based Zircoa Inc. develops and manufactures specialty zirconium oxide powders, engineered ceramics, and refractory products for demanding industrial applications. The company grew from an early process for producing zirconia for high-temperature furnace linings into an independent manufacturer with in-house research, engineering, powder production, and formed-product capabilities. Zircoa serves critical processes worldwide and holds ISO 9001:2015 certification with design.SOLON, OH
PQ CorporationWith roots reaching back to 1815, PQ Corporation manufactures silicates, specialty silicas, zeolites and related performance chemicals for industrial and everyday products. From Malvern, Pennsylvania, the company operates 31 manufacturing facilities across 13 countries, employs more than 1,500 people and serves over 900 customers worldwide. Its materials help support applications ranging from cleaner drinking water and fuel-efficient tires to paints, toothpaste and biofuels.MALVERN, PA