Red Hat is both a great example, and a horrible one all wrapped up into one. They are the OG, but I'm very skeptical that a new project could take the Red Hat 2000s playbook and apply it in the 2020s.
Check out how Peter Levine talks about the 3 'eras' of OSS Companies. I elaborate here: https://www.ockam.io/learn/blog/zero_ipo/#peter-levine---par...
And there is a direct link to his perspective here https://a16z.com/2019/10/04/commercializing-open-source/