General Info

Sphere One Inc. (formerly PQ/Potters Industries) has been in the lightweight extender business for over 30 years. Based in Chattanooga, Tenn., the company provides lightweight spherical filler composite materials, including cenospheres and microspheres to both domestic and international markets. Its products are used in lightweight cements, explosives, bowling balls, sealants, marine industry products, building materials, cultured marble, auto-body fillers, paints, grinding wheels, friction compounds and refractories. Sphere One Inc. is an ISO 9001:2000 certified firm.