EuroCloud
Hetzner
1und1
T Systems
IONOS
OVH
https://european-alternatives.eu/category/cloud-computing-platforms
There is also Fujitsu, who are very interesting, because they design and build their own high performance systems, without Intel/AMD "management engine" inside. They also contain the remnants of ICL and Siemens Nixdorf. All of which were once non trivial computer companies.