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.
MidAmerican Energy Holdings is itself owned by Berkshire Hathaway. Berkshire Hathaway is publicly traded on the New York Stock Exchange (NYSE) under the symbol âBRK.Aâ. MidAmerican Energy, Iowaâs largest energy company, is strategically located in the middle of several major markets in the Midwest. Headquartered in Des Moines, Iowa, the company provides service to customers in a 10,600-square mile area in Iowa, Illinois, South Dakota and Nebraska.