largest us energy corporations by revenue
The 15 Biggest Energy Companies In The World. Platts, an energy research agency, has released its list of 250 Global Energy Rankings. We've got the top 15 for you right here. Platts constructed their list by comparing individual companies' assets, revenue, profits, and return on investment capital. All of the them are huge â worth more than $3.5 billion. There are some stawarts on the list. Exxon Mobile, for example, has maintained its 2010 #1 spot.