The Internet of Things (or IoT) can be a particularly precarious place to invest. The IoT is still in early stages, which leaves plenty of room for volatility. But despite this, IoT’s potential is too massive to ignore. Cisco estimates that by 2020, there will be 50 billion things connected to the Internet, everything from cows to computers. All of those connections have the potential to fuel a lot of growth in the coming years, from established tech companies and IoT pure plays alike. But jumping into IoT stocks can feel more like a leap of faith than a sound investing decision. To help you determine which stocks have the best IoT potential, here are three companies that are making big strides right now and could have huge payoffs later.