The Journal and Dow Jones VentureSource are tracking companies that are valued at $1 billion or more by venture-capital firms. The club is becoming less exclusive as venture capitalists funnel large sums of capital in the best startups. Today there are more than 30 such companies in the U.S., Europe and China. Click on the names below for company profiles, or sort by categories such as region, amount raised and valuation. (Published January 2014).
