The financial crisis of 2007-2008 may have officially ended, but economic uncertainty still lingers in the eyes of many. Nonetheless, there a few entrepreneurs out there who have managed to prevail amidst the skepticism and have set the foundations to their very own successful startup. How successful? An estimated worth of over $1 billion. Quite an impressive feat, considering that most such ventures die out virtually as soon as they are set up, unless you're Facebook Inc (NASDAQ:FB) of course.
We would like to present you with a list we have compiled of the 12 most valuable startups in America, similar to our coverage of the largest hedge funds in the world. The startups were ranked according to their official valuation, although, where the case arose, we also mentioned their rumored valuation. Please visit on Insider Monkey for more details on how to make a startup.