Amazon AWS - Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.
GoGrid - Best of Cloud + Best of Hosting
Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.
FortaCloud - FortaCloud is a cloud computing services provider offering cast three continent network to ensure the maximum uptime.
Hostinger - Everything You Need to Create a Website
HelioHost - Community powered free hosting for everyone.