- Beijing Vacuum Electronics Research Institute
- Institute of Electronics, Chinese Academy of Science
- Karlsruhe Institute of Technology
- DLR German Space Agency
- Microwave Tube Research & Development Centre
- Central Electronics Engineering Research Institute (CEERI), Pilani
- FAIS
- Seoul National University
- European Space Agency
- Chung-Shan Institute of Science and Technology
- National Central University
- E-MIT at Lancaster University
- University of Strathclyde
- National Academy of Sciences of Ukraine
- U.S. Naval Research Laboratory
- Jet Propulsion Laboratory
- University of Michigan
- University of Maryland
- SLAC National Accelerator Laboratory
- University of Wisconsin-Madison
