WAmazon Elastic Compute Cloud
WAmazon Simple Queue Service
WAmazon Web Services
WAnimoto
WAppScale
WBluemix
WBOSH (software)
WCloud Foundry
WCloudBees
WCocaine (PaaS)
WCONSELF
WDensify
WDigitalOcean
WDivvyCloud
WE2open
WENlight Cloud
WFastly
WFUJITSU Cloud IaaS Trusted Public S5
WGigas (company)
WGoogle Cloud Platform
WGoogle Cloud Platform
WGreenButton
WHeroku
WHP Cloud
WHPE Helion
WIBM Cloud
WMicrosoft Teams
WNebula (computing platform)
WNetskope
WNinefold
WNIWA Cloud Application Platform
WNTT Ltd.
WOpenShift
WOracle Enterprise Resource Planning Cloud
WRackspace Cloud
WSAP Converged Cloud
WStrikingly
WTradeCard
WWaveMaker
WWolfram Language