Kennecott Corporation -- Company History
Statistics: Incorporated: 1915 as Kennecott Copper Corporation. Absorbed: 1997 into Rio Tinto plc. SICs: 1021 Copper Ores; 1041 Gold Ores. Company History: Kennecott Corporation, the world's leader in copper output throughout most of the 20th century, had by 1997 ceased to exist as a separate entity.