Rio Tinto (RIO)
Rio Tinto searches for and extracts a variety of minerals worldwide, with the heaviest concentrations in north America and Australia. Major products include aluminium, copper, diamonds, energy products, gold, industrial minerals and iron ore. The 1995 merger of RTZ and CRA , via a dual listed structure created the present day company. The two operate as a single business entity. Shareholders in each company have equivalent economic and voting rights in Rio as a whole.