KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. It is a CNCF project that is being used by several large and publicly traded companies in China includig Huawei and Raisecom.
A non-exhaustive list of adopters can be found here: https://github.com/kubeedge/kubeedge/blob/master/ADOPTERS.md
CNCF profile: https://www.cncf.io/projects/kubeedge/