Alliance Spacesystems, LLC was formed July 1, 2006 through the merger of the former Alliance Spacesystems, Inc. (ASI) of Pasadena, CA and Vision Composites of Signal Hill, CA. Now, as Alliance Spacesystems, the company providers mechanical systems engineering, custom design and fabrication in composites structures, robotics and mechanisms, and mechanical analyses for systems operating in extreme environments. Alliance Spacesystemsâ products are in use on interplanetary spacecraft, telecommunications and scientific satellites and in many challenging terrestrial application