Logo of the austrian company "Collini".
<a href="https://de.wikipedia.org/wiki/Collini-Gruppe" class="extiw" title="de:Collini-Gruppe">Collini-Gruppe</a>
Own work  using: <a rel="nofollow" class="external free" href="https://www.collini.eu/">https://www.collini.eu/</a>