Good list. Happy to see Imou and Wansview on the list, these "unknown" brands have been selling directly on Amazon US for a while now:
https://www.amazon.com/stores/Wansview/page/1E1F86AB-C01A-45...
https://www.amazon.com/stores/Imou/page/73EC8A3D-1E78-42C5-8...