From Open Energy Information
Ausra Inc is a company located in Mountain View, California. Ausra Inc specializes in the manufacture, installation, and operation of solar thermal energy systems. The company's core technology is the Compact Linear Fresnel Reflector (CLFR) solar collector and steam generation system. The system focuses sunlight, which is then used to boil water, creating steam that is used for energy. 
Ausra Inc currently employs between 51 and 200 people.