IoT or Industry 4.0 has quite a few hardware and software vendors. They may have varying levels of compatibility with your existing infrastructure and assets. It is worthwhile evaluating which mix of hardware and software serves your unique needs.
Here is just a small taste of what is available in the market:
Amazon AWS IoT
Microsoft Azure IoT
Google Cloud IoT
IBM Watson IoT
ThingWorx by PTC
Ubuntu Core for IoT
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