The 25 hottest under-the-radar startups in America

New York and Silicon Valley are known as popular startup hubs, but there are other US cities that have become home to cool and successful tech companies too.

We've compiled a list of 25 of the hottest startups in cities across the US, with a focus on companies growing in flyover states. To do so, we spoke with investors and members on the tech scene.

Though our list includes some big names, it also features fledgling startups, some of which you may not have heard of yet.