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Since 1945, Greenleaf Corporation has been an industry leader in cutting tool technology. Greenleaf is committed to increase the productivity of its customers. This commitment and over half a century of innovation is the foundation of Greenleaf's
Based in Irwindale, California, Superior Communications is the leading manufacturer and distributor of wireless accessories in the United States.
Douglas Scientific is a Plato, MN-based company in the Manufacturing sector.
Hanwha SolarOne Co is a vertically-integrated manufacturer of silicon ingots, wafers, PV cells and modules.