Countries
Aside from amazon basics, are there any brands that amazon own?
Like Whole Foods, Zappos, Ring?
Here is a list of some trademarks owned by Amazon. If the brand is in this list then I would assume it is owned by Amazon.
https://www.amazon.com/gp/help/customer/display.html/ref=mobile-search-result-item-1-1?ie=UTF8&nodeId=201909280&qid=1594376825&sr=1-1