ExaVault - ExaVault is your Secure Cloud FTP platform -- trusted by over 5,000 companies from Adobe to Zillow. Instant setup for manual and automated transfers with a full web interface and direct FTP, FTPS and SFTP support.
GoGrid - Best of Cloud + Best of Hosting
Couchdrop - Couchdrop moves files to the cloud. The Cloud SFTP, FTP, SCP and Rsync server that works with Storage like Dropbox. Up and running in seconds. Fully hosted service. No worries.
FortaCloud - FortaCloud is a cloud computing services provider offering cast three continent network to ensure the maximum uptime.
SmartFile - Secure file sharing & FTP hosting for the enterprise.
Amazon AWS - Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.