Bentley Systems, Parexel and Publicis are among the companies using Microsoft Azure as their main public cloud.For the past several quarters, Azure has grown faster than AWS, the market leader. Source: Microsoft Microsoft CEO Satya Nadella at a company event in San Francisco in 2014. Amazon Web Services still has the clear lead in the cloud infrastructure market. But according to Thursday's earnings reports, Microsoft's rival offering is growing more than twice as fast. One reason is that longtime users of Microsoft's ubiquitous desktop software and Windows servers are sticking with the company they've known for decades, now that its Azure cloud technology is ready for prime time. Companies like advertising giant Publicis , software developer Bentley Systems and biopharmaceutical company Parexel have all chosen Azure over AWS. With Microsoft, their pedigree is as an enterprise software company," said Arun Karur, a vice president at Publicis, in an intervi...