Exxon Mobil is an integrated oil and gas company headquartered in Irving, Texas. It explores for, produces, transports, and sells oil and gas and manufactures petrochemicals worldwide. Exxon Mobil operates in upstream, midstream, downstream, and chemical segments across over 30 countries. As the world's largest publicly traded international oil and gas company, Exxon Mobil faces risks from global economic, political, and environmental factors that influence oil and gas supply and demand.