Exxon Mobil Corporation
The world's largest publicly traded international oil and gas company. It holds an industry-leading inventory of global oil and gas resources. It is the world's largest refiner and marketer of petroleum products, and its chemical company ranks among the world's largest. It is also a technology company, applying science and innovation to find better, safer and cleaner ways to deliver the energy the world needs. The Corporation comprises 10 separate companies, making up the Upstream, Downstream, and Chemical businesses.