- Aerojet
- Aerospace Corporation
- Air Force Research Laboratory
- Army Aviation & Missile Research Development & Engineering Center
- Army Space & Missile Defense Command
- Arnold Engineering Development Center
- The Boeing Company
- Defense Advanced Research Projects Agency
- General Electric Energy
- Lockheed Martin Space Systems
- Materials Research & Design, Inc.
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- Missile Defense Agency
- NASA Ames Research Center
- NASA Engineering Safety Center
- NASA Glenn Research Center
- NASA Johnson Space Center
- NASA Langley Research Center
- NASA Marshall Space Flight Center
- Naval Surface Warfare Center, Carderock Div
- Northrop Grumman Aerospace Systems
- Oak Ridge National Laboratory
- Raytheon Missile Systems
- Rice University
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