This document summarizes the use of CloudStack by various service providers around the world. It provides statistics on usage and technical details about different deployments. Key details include CloudStack deployments in over 140 countries with 32,000 unique IP downloads in 2014. Specific service providers discussed include Datapipe with CloudStack deployed across 7 geographic regions, Cloud.ca in Canada using CloudStack for hybrid cloud services, and Exoscale in Switzerland with over 13 million API calls per month on their CloudStack deployment.