I am still surprised that no large company exists around PostgreSQL, similarly to Oracle, the (defunct/acquired) MySQL AB, or Redis Labs. Wondering whether thi

I am still surprised that no large company exists around PostgreSQL, similarly to Oracle, the (defunct/acquired) MySQL AB, or Redis Labs. Wondering whether this is a missed opportunity. This is not to bash the free software part of PostgreSQL, but rather to focus on something that could drive more enterprise adoption, I guess to the detriment of primarily Oracle and Microsoft SQL Server.