BHP Group Ltd. is one of the world's largest diversified resource companies with operations across several continents. It owns and operates large, long-life, low-cost and expandable assets world wide. It engages in exploration, development, and production of oil and gas properties; and mining of copper, silver, lead, zinc, molybdenum, uranium, gold, and iron ores, as well as metallurgical and energy coal. It also engages in the mining, smelting, and refining of nickel and potash development activities. Its products are sold world wide, with sales and marketing led through Singapore and Houston, U.S. Its segments are-The Iron Ore segment is engaged in mining of iron ore. The Copper segment is engaged in mining of copper, silver, lead, zinc, molybdenum, uranium and gold. The Coal segment is engaged in mining of metallurgic and thermal coal. The company has agreed to pursue a merger of its Petroleum business with Woodside Petroleum Ltd.