PQ Group Holdings, Inc. engages in the provision of specialty catalysts, materials and chemicals, and services that enable environmental improvements, enhance consumer products, and increase personal safety. It operates through the Environmental Catalysts and Services; and Performance Materials and Chemicals segments. The Environmental Catalysts and Services segment innovates and produces catalysts for the refinery, emissions control, and petrochemical industries; and involves in catalyst recycling services to the North American refining industry. Its product groups includes silica catalysts, zeolite catalysts, and refining services. The Performance Materials and Chemicals manufactures silicates and specialty materials for personal and industrial cleaning products, highway beads, fuel efficient tires, surface coatings, and food and beverage use. The company was founded on August 07, 2015 and is headquartered in Malvern, PA.