PQ Group Holdings, Inc. engages in the manufacture of specialty catalysts, materials and chemicals. It operates through the following segments: Refining Services, Catalysts and Performance Chemicals. The Refining Services segment offers sulfuric acid, virgin sulfuric acid, Oleum ECO services, sulfuric acid regeneration, aluminum sulfate, treatment services and industrial field services. The Catalysts segment includes zeolites, anti-blocking agents, chemical catalysis, polyolefin supports, chrome catalysts for high-density polyethylene, and polyolefin catalysi. The Performance Chemicals segment supplies personal and industrial cleaning products, fuel-efficient tires, surface coatings, and food and beverage products. The company was founded on August 7, 2015 and is headquartered in Malvern, PA.