Amazon AWS - Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.
Datahike - A durable datalog database adaptable for distribution.
DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.
Datomic - The fully transactional, cloud-ready, distributed database
Softlayer - Softlayer is the cloud computing platform that offers the services of computing, networking, storage security, and application development.
Matisse - Matisse is a post-relational SQL database.