Meaning: Affecting things past. Synonyms: ex post facto; retro; retroactive. Context examples: retroactive tax increase / an ex-post-facto law / retro pay. Similar: retrospective (concerned with or related to the past)
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.
4. ExxonMobil ($394 billion) â the Texas-based oil major is one of the most iconic oil companies, and it is the largest private company by production with 5.3 mb/d. When Exxon acquired Mobil in 1999 â both companies are descendants of John D. Rockefellerâs Standard Oil â it created the largest company on the planet.