Belgacem Chariag

Baker Hughes Holdings LLC supplies oilfield services, products, technology, and systems to the worldwide oil and natural gas industry. It provides products and services for other businesses including downstream chemicals, and process and pipeline services. The company is headquartered in Houston, TX.

PQ Corp. produces silicate, zeolite, and other performance materials. It serves the detergent, pulp and paper, chemical, petroleum, catalyst, water treatment, construction and beverage markets. The firm's products include lithium silicates, magnesium sulfate, sodium silicate liquids and solids. It also manufactures silica gel products for catalyst and anti-blocking applications and the zeolite products for adsorbent applications. The company was founded by Joseph Elkinton in 1831 and is headquartered in Malvern, PA.

Zeolyst International specializes and distributes zeolite powders, catalysts, and adsorbents. The firm's materials have been used as catalysts in refinery, petrochemical, and fine chemical processes, as adsorbents and catalysts in environmental applications, as molecular sieves in size separation applications, and as multifunctional materials in a variety of applications. It offers standard zeolite powder and hydrocracking catalyst. The company was founded in 1988 and is headquartered in Conshohocken, PA.