Yes. It's not hard to find exactly what you're asking for. Search "startups that succeeded" on your favorite search engine, there's an enormous number of them.

Yes. It's not hard to find exactly what you're asking for. Search "startups that succeeded" on your favorite search engine, there's an enormous number of them. In fact, some of those startups which unseated the big tech companies in the domains they operate in have been unseated themselves since they first unseated the big tech companies!