Following The Horse Race

The cloud is consolidating as it's expanding.

The major providers have now revealed earnings from the final fiscal quarter of the year. Cloud revenue is up more than 50 percent for the market as a whole.

Synergy Research, in a recent report, estimates total quarterly cloud revenue is approaching $7 billion, with $23 billion raked in during the trailing year.

The five largest cloud providers dominate 55 percent of the market, and together they're growing faster than the industry as a whole, Synergy Research revealed. More than half of that share is consumed by the 800-pound gorilla that is Amazon Web Services.

’The big four cloud operators are continuing to run away with the market,’ John Dinsdale, chief analyst and research director at Synergy Research, wrote in the report.

Here are the top five cloud market-share leaders.