www.matthey.com
Johnson Matthey Corporate Home Page – A specialty chemicals company focused on its core skills in : Catalysts, Precious Metals, Fine Chemicals and Process Technology

 www.noble.matthey.com
Johnson Matthey Noble Metals –
Leading producer of precious metal products including platinum, iridium, palladium and ruthenium sheet, foil, wire and gauze.  Fabrication of platinum-group metals is available for applications including  industrial, aerospace, automotive, nuclear, medical, sensor, instrumentation and jewelery industries.

www.pureguard.net
Johnson Matthey Gas Purification Technology - PureGuard™ gas purifiers for hydrogen, argon, nitrogen and others.  Using palladium, heated getter and catalytic  gas purification systems for the semiconductor, LED and photovoltaic industry.  The GPT Division is part of the Precious Metal Products part of JM Noble Metals North America.

 www.alfa.com
Alfa Aesar –Leading international manufacturer, supplier and distributor of fine chemicals, metals, and materials. Products are used in a variety of industrial, academic and institutional research, development and production applications.  Stocks Nitinol and selected products for medical applications.

www.alfa-chemcat.com
Alfa Aesar Europe – Research chemicals, metals and materials.  Stocks Nitinol and selected products for medical applications.