Long before a piece of steel is fashioned into cables for a bridge or molds for kitchen cooking pots a price was paid for the iron ore needed to bring it into existence. Mining companies Companhia Vale do Rio Doce (NYSE:RIO), Rio Tinto (NYSE:RTP) and BHP Billiton (NYSE:BHP) are the dominant global giants of raw material extraction. Investors banking on emerging market development and reconstruction themes should not let these miners escape unnoticed.