September 2017 – Riddle, OR – Green Diamond Performance Materials (“GDPM”) is a leading industrial minerals manufacturer in the United States.  The Company processes and sells a 40+ product array of environmentally friendly, inert material made from a proprietary mineral reserve - the only substantial reserve of laterite nickel smelter material in North America. GDPM sells to the abrasive, roofing, and foundry industries nationwide, as well as to construction, agriculture, and athletic facilities.

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