Oil companies ranked by size
All in all, the top 25 oil and gas companies on the Global 2000 generated $2.2 trillion in sales during our 12-month measurement period and pocketed $73 billion in profit. That's down from $2.6 trillion in sales and $81 billion in profit in the previous year. As part of Newsweek’s ‘Green Rankings’, Schlumberger was ranked 118th out of 500 large eco-conscious companies. In its own speciality, the company is the 3rd ranked offshore driller out of 31 entries. 2019 ranking of oil and gas companies in the U.S. based on market capitalization 2019 list of the leading U.S. oil and gas companies based on revenue ExxonMobil's revenue 2001-2018