The $10 Billion Club: Meet the 7 Most Valuable Startups in the U.S. Posted by June 6, 2017 Leave a comment on The $10 Billion Club: Meet the 7 Most Valuable Startups in the U.S. These are the Ubers and Airbnbs of the world, the startups that steadfastly remain private companies as they seek more millions in funding at higher and higher valuations.