Mirantis is a pure play OpenStack company, delivering all the software, services, training, and support needed for running OpenStack in production at scale. Mirantis delivers open cloud infrastructure to top enterprises using OpenStack, Kubernetes and related open source technologies.
From their website:
Mirantis OpenStack features Fuel, the official OpenStack management software. Developed as an OpenStack community effort, it provides an intuitive, GUI-driven experience for automated deployment and management of OpenStack, related community projects and plugins. Adapt your environment directly within Fuel with improved lifecycle management, while overseeing your day-to-day operations with StackLight, the logging, monitoring and alerting solution created by Mirantis.
Mirantis OpenStack is a flexible and commercially-supported OpenStack distribution that gives enterprises the widest selection in choice of supported operating systems, hypervisors and storage back-ends. Mirantis OpenStack integrates core OpenStack components, essential related OpenStack projects and 3rd party plug-ins, in a single, commercially-supported package.
Mirantis has helped build and deploy some of the largest OpenStack clouds at companies such as AT&T, Cisco WebEx, Comcast, Dell, The Gap, NASA, NTT Docomo, PayPal, Red Hat, Sprint and Verizon.
For more see: http://www.mirantis.com/