Corporate Overview



PQ Corporation is a leading worldwide producer of specialty inorganic performance chemicals and catalysts. PQ traces its beginnings to a family soap and candle business started in Philadelphia by Joseph Elkinton in 1831. The company began producing and selling "silicate of soda" or sodium silicate in 1861 to replace rosin in soap formulations. Today, PQ is the world's largest producer of soluble silicates.

Potters Industries LLC is a leading producer of engineered glass materials serving the highway safety, polymer additive, metal finishing, and conductive particle markets.

Zeolyst International is a leading producer of zeolite-based catalysts and adsorbents serving the refinery, petrochemical, fine chemical, environmental, and separation markets.

Green Initiatives

New Product


ADVERA® Ti is a high performance product for the partial replacement of TiO₂, exclusive to PQ Corporation.
Recent Tradeshow


PQ Corporation recently exhibited at the annual American Association of Drilling Engineers (AADE) in Houston, TX.
Product Spotlight


Don’t think Warm Mix Asphalt is only a hot mix asphalt compaction aid. Invest in a technology that is the most versatile.
Performance Chemicals

The unique chemistry of our soluble silicates allows them to be used in a wide range of applications that enhance everyday life.
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Catalysts Group

PQ's Catalysts Group produces silica and zeolite catalysts using state-of-the-art manufacturing processes.
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