Node Providers
Storing wallets on managed servers is not recommended, and it is advised to use only unmanaged servers for running validator nodes.
However, if you prefer to run a validator node using a provider rather than your own hardware, you can find a comprehensive list of providers below that offer the setup of an Opera node.
Managed Node Providers
List provided by CompareNodes.
Cloud Providers
Amazon AWS (+)
Bare Metal Providers
Gathered from the community's suggestions.