Copyleft open source licenses only help you so much, people can still clone your company as long as their version is also open source. There's no way to prohibit corporate use of your code and still have an OSI-approved license.

The spot that kinda falls between those two classes is if you want people to be able to fork or self-host for personal/non-commercial use, and there's a few also not open source license examples out there for that too. There's a couple of that sort listed under https://en.wikipedia.org/wiki/Source-available_software (Commons Clause or Mega Limited Code Review sound fairly similar to what you might want.)