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Founded in 1817, Johnson Matthey is a specialty chemicals company that manufactures a range of heavy-duty diesel catalysts. The company provides a variety of pollution control systems and components for fuel cells and catalysts. It offers technologies for chemical processes and active pharmaceutical ingredients. The company provides products for the marketing, refining and fabrication of precious metals. It offers recycling services for platinum group metals. The company owns and operates Fine Chemicals & Catalysts, which serves customers in the chemical and pharmaceutical industries throughout the world. Its other divisions include Environmental Technologies and Precious Metal Products. Johnson Matthey operates in more than 30 countries and employs over 8,500 people.