zirconium, germanium, and copper. Its advanced materials include powders and specialty chemicals for various industries, such as rechargeable battery, construction equipment and cutting tools, catalyst, and ceramics and pigments. The company's specialty chemicals consist of electronic chemicals for the electronic packaging, memory disk, general metal finishing, and printed circuit board finishing markets; advanced organics for the tire, coating and inks, additives, and chemical markets; ultra-pure chemicals used in the manufacture of electronic and computer components, such as semiconductors, silicon chips, wafers, and liquid crystal displays; and photo-imaging masks and reticles for the semiconductor, optoelectronics, and microelectronics industries. OM Group's products are sold in various forms, such as solutions, crystals, cathodes, powders, and quartz or glass plates. The company was founded in 1991 and is headquartered in Cleveland, Ohio.