The box at the bottom of the search results showing the competition

[Frog]

If you search google for some terms such as "okt software" sometimes you see a box that shows other brands in there.
Does anyone have any insight about showing up in there or what you need to do to get in that space?

Here is an example screenshot

 

[DarkRed]

Guess is related to this: https://www.searchenginejournal.com/entity-seo/277231/