Foundation X is an underground research organization focusing on illegal projects with pheonominal energic potentials. The massive projects they focus would provide in return immeasurable profit & research data from sponsoring different organizations to their respective project. They first debut in Kamen Rider: Double Detective, sponsoring the Musuem for their Gaia Memory research, involving the investigating the true Gaia Memory & the artificial Gaia Memories. After Sebastian Gardenar dies, the foundation takes over the Gaia Impact project. But after the death of Edric Barlow, Foundation X cancels all Gaia Memory research to focus on other prospective projects.