Newmont Mining Corporation, based in Greenwood Village, Colorado, USA, is an American mining company that traces its roots to the diversified holding company William Boyce Thompson established in 1916. Incorporated in 1921, it has active gold mines in Nevada, Australia, Ghana, Peru, and Suriname. Holdings include Santa Fe Gold, Battle Mountain Gold, Normandy Mining, Franco-Nevada Corp and Fronteer Gold. Newmont also has many joint venture relationships. Newmont is the world's second-largest producer of gold, behind Barrick Gold. In addition to gold, Newmont mines copper and silver.Newmont has approximately 24,660 employees and contractors worldwide, and is the only gold company in the Standard & Poor's 500.