Advanced Reactor Concepts LLC Brillouin Energy Corp. Columbia Basin Consulting Group Elysium Industries Flibe Energy, Inc. Framatome GE Hitatchi General Atomics General Fusion HolosGen LLC Hybrid Power Technologies LLC Kairos Power LLC Magneto-Inertial Fusion Technologies, Inc. (MIFTI) Muons, Inc. Niowave, Inc. NuGen, LLC NuScale Power Silicon Accelerator, Inc (SAI) TerraPower, LLC Terrestrial Energy USA, Inc. ThorCon International Westinghouse Electric Company LLC X Energy, LLC Yellowstone Energy TABLE OF CONTENTS INTRODUCTION ACKNOWLEDGEMENT ABOUT GAIN DEVELOPERS