No. The company name is Stack Overflow. [Again](https://stackoverflow.blog/2015/09/15/were-changing-our-name-back-to-stack-overflow/).

This change hasn’t reached all parts of the network yet, though and on the bottom right of th page you can still read 

> site design / logo © 2018 **Stack Exchange Inc**

But maybe the whole circus is run by multiple monkeys now, with multiple names, for some *enterprisy* reasons.