Forbes had a few interesting thoughts on the top cloud services

Microsoft. With calendar-2017 commercial-cloud revenue of $18.6 billion, 

Amazon.  (5.1 billion)

The undisputed category king in public-cloud IaaS continues to rack up impressive gains in revenue, customers, and PaaS expertise—in fact, it recently revealed that more than 1 million customers are using its cloud solutions.

IBM. … emerged in the middle of last year as one of the three largest enterprise-cloud providers. …in Q4 of calendar 2017, the tech company with the most enterprise-cloud revenue was not Microsoft, was not Amazon, was not Salesforce, and was not Google—it was IBM, with $5.5 billion in cloud revenue for the 3 months ending Dec. 31.

  • $2.67 billion
  • Oracle $1.5 b
  • SAP $1.24
  • Google $1 b

A quick look at some cloud services provided by

  • Kinsta Cloud
  • Kamatera
  • phoenixNAP
  • Amazon Web Services
  • Microsoft Azure
  • Google Cloud Platform
  • Adobe
  • VMware
  • IBM Cloud
  • Rackspace
  • Red Hat
  • Salesforce
  • Oracle Cloud
  • SAP
  • Verizon Cloud
  • Navisite
  • Egnyte