Exxon Mobil is the largest publicly traded international oil and gas company , with the largest market cap in its sector . It mainly engages in the exploration , production , transportation and sale of crude oil and natural gas , and the manufacturing , transportation

and sale of petroleum products . It also manufactures and markets

commodity petrochemicals including olefins , aromatics , polyethylene and polypropylene plastics and a range of specialty products . Before the downturn in the oil market – which began almost four years ago – the company generated 90 % of its earnings from its upstream segment , shifting to 57 % upstream , 24 % downstream ( mostly refining ) and 19 % chemicals segment as for 2017 . That year , Exxon Mobil made $ 244,363mn in revenue with a revenue growth of 8.08 %, topping the ranking of Top 10 manufacturers in the U . S . www . corporate . exxonmobil . com

61 www . manufacturingglobal . com