Heraeus Metal Processing is a U.S. subsidiary of Heraeus Holding, which is one of the world s leading precious metal processing company. Heraeus Holding is the family-owned management company for a family of companies that engage in the manufacturing of sensors, quartz glass, specialty lighting, and dental and medical products. The company has more than 4,700 patents and conducts a range of research and development studies. It operates over 25 development centers and has nearly 350 research associates. Heraeus Holding manages approximately 100 subsidiaries and more than 11,000 employees worldwide. Through its subsidiary, Heraeus Quarzglas, the company manufactures high-purity quartz materials and components.