What are some companies that had 80% or more of the code they wrote open-sourced that ended up with profits of more than 1/2 million a year? Are premium add-on

What are some companies that had 80% or more of the code they wrote open-sourced that ended up with profits of more than 1/2 million a year? Are premium add-on and support/consulting the model? Any platform company that made it?