< PrevNext > 37. Royal Dutch Shell The Hague, Netherlands Share 2017 U.S.-Booked Air Volume: $100 millionConsolidated U.S. TMC: CWTGlobal oil and gas giant Royal Dutch Shell's U.S.-booked air volume declined about 10 percent in 2017, according to a BTN estimate. Shell's business air travel in 2017 resulted in 210,000 metric tons of carbon dioxide equivalent emissions, down from 400,000 in 2016. It wasn't clear if a methodological change affected those figures. Revenue jumped almost 31 percent in 2017 to $305.1 billion, with net income increasing to nearly $13 billion from nearly $4.6 billion in 2016. The company on Dec. 31, 2017, employed 84,000 people, down from 89,000 at year-end 2016.