Besides running your own nodes, you could also delegate your KEEPs to specialized node providers.
Below the announcement from Bison Trails to support KEEP.
Bison Trails Announces Support for Keep
The Keep Network Staking Guide for Staked.
KEEP staking and delegation guide with Figment network.
Keep Network: Guide to Staking KEEP | Figment Networks
Find below all the resources to stake KEEP with Blockdaemon.