Piston
Piston Enterprise OpenStack is a turn-key bare-metal private cloud operating system that scales to manage tens of thousands of physical servers, delivering a truly lights-out model for the software-defined data center.
The company was funded by Hummer Winblad, True Ventures, CISCO, Swisscom, and Divergent Ventures and is based in San Francisco, California.
For more information, go to www.pistoncloud.com