North America

PQ Corporation's Performance Chemicals group is a leading producer of silicate, silica, zeolite, and other performance materials serving the detergent, pulp and paper, chemical, petroleum, catalyst, water treatment, construction, and beverage markets.  

In the United States the company operates 12 manufacturing sites:  Augusta, GA; Baltimore, MD; Chester, PA; Gurnee, IL; Jeffersonville, IN; Joliet, IL; Kansas City, KS; Pineville, LA; Rahway, NJ; South Gate, CA; St. Louis, MO; and Utica, IL.  Our corporate headquarters is located in Malvern, PA (near Philadelphia).  In addition, we have an executive office in Lenexa, KS and our corporate R&D Center is located in Conshohocken, PA (also near Philadelphia).

In Canada, National Silicates, an affiliate of the PQ Corporation, operates 5 manufacturing sites: Parksville, BC; Surrey, BC; Toronto, ON; Valleyfield, QC and Whitecourt, AB. The National Silicates office is also located in Toronto, ON.

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