Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.
Code42 - Code42 is a SaaS solution for enterprises that secures all user data on one secure platform, leaving you and your business secure in the knowledge that both your employee's and customer's data is protected. Read more about Code42.
CrashPlan - CrashPlan for Small Business backup software offers the best way to back up and store business & enterprise data securely - offsite, onsite & online in the Cloud.
Dropbox - Online Sync and File Sharing
Arq - Arq is super-easy online backup
SpiderOak - SpiderOak makes it possible for you to privately store, sync, share & access your data from everywhere.