Top 5 gold mining companies in California .
Top 5 gold mining companies in California Barrick Gold Corporation. Barrick Gold Corporation (ABX) is the secondlargest gold mining company in the world. Headquartered in Toronto, the company was originally an oil and gas company but evolved into a mining company. The company operates mines in North America, South America, the Middle East, Africa, and Australia. Barrick produced more than 4 ...