Every year for the past three, Forbes has gone looking for 25 young U.S. companies with a strong shot at reaching a valuation of $1 billion or more. Last year's list included hot companies like the crowdfunding site GoFundMe, online retailer Boxed and innovative home seller OpenDoor. This year, with the help of TrueBridge Capital Partners, we asked venture firms which companies they thought most likely to hit the billion-dollar mark soon. Then we cut that list down to a final 25, evaluating strategies, funding and competitive challenges as well as estimating current revenues.
