I don't know of any other OSS company that does _exclusively_ OSS.
Canonical, for example, has a number of proprietary solutions built around their core OSS stuff, so they function as an open core business. And they're not doing anywhere close to as well as Red Hat does.
Canonical, for example, has a number of proprietary solutions built around their core OSS stuff, so they function as an open core business. And they're not doing anywhere close to as well as Red Hat does.