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.
The global energy consultancy PFC Energy has published the top 50 energy companies of the world for 2009 based on market cap. PetroChina (NYSE:PTR), the integrated National Oil Company [NOC] of China, is the highest ranked company with a market cap of $353 B. PetroChina beat last yearâs winner of the top spot ExxonMobil (NYSE:XOM) of the U.S.