These days it seems like there’s a tech startup with a product or service for everything. Whether you want your groceries delivered or need a ride home after a night out, you can download an app and make it happen. Tech startups are big business, so it’s no surprise they’re worth a ton of cash. We’ve rounded up some of the most valuable tech startups in the United States, and they are all worth over $1 billion. Even though many of these companies have yet to turn a profit, they have all become household names and changed the way we do things. Can you guess what the highest valued startup will be?