Samsung is privately held as well.
~$300bn revenue.
Samsung isn't privately held. It's listed in the Seoul market as KRX:005930
https://en.wikipedia.org/wiki/List_of_largest_private_non-go...
See reference at the bottom:
"Samsung is not to be confused with its publicly traded subsidiary Samsung Electronics"
Bacardi does revenues of 5 billion plus and they're private. I'd say that's a successful business.