New York’s tech ecosystem is strengthening dramatically. In fact, after Silicon Valley, no other area has seen more early stage funding flowing to local startups. There have been many successful exits in 2015 as well. Some of the most impactful companies in ad tech, fintech, ed tech and other tech sectors call New York home today. Many of them have big plans for 2016, from listing on public stock exchanges to creating whole new product categories. Here are fifteen New York tech companies, ranging from small to large, to watch in the coming year.