– Alliant Techsystems Inc.
– Argonne National Laboratory
– Brookhaven National Laboratory
– Columbia University
– Fermi National Accelerator Laboratory (Fermilab)
– General Atomics
– Kent State University
– Lawrence Berkeley National Laboratory
– Lawrence Livermore National Laboratory
– Leiden University
– Lockheed Martin Space Systems Company
– Los Alamos National Laboratory
– Oak Ridge National Laboratory
– Pennsylvania State University
– Sandia National Laboratories
– SLAC National Accelerator Laboratory
– Thomas Jefferson National Accelerator Facility
– University of Arizona
– University of Hawaii
– University of Latvia
– University of Notre Dame du Lac
– University of Twente
