The growth of the cloud backup industry, over the last decade has been dramatic, according to Backup Review
"The market has witnessed the rise and fall of many startups and stabilization of others. Interestingly, the companies that have gained a strong foothold in the industry are not all similar. There is a subtle distinction in the nature and types of services they offer. Some of these companies are pure enablers, while others combine enablement functions with direct-to-market services. Yet others, may license the software from enablers with or without re-branding options and service the cloud backup service needs of their clients..."