The Federation Survey Service is an organization established in U.C.0082 that handles data collection and documentation related to the One Year War. Sponsors of the organization include a member of the Republic of Zeon. In U.C.0089, the FSS is tasked with compiling materials and documents regarding weapons of the past for the 10th anniversary of the end of the One Year War.
|Universal Century Nations and Factions|
|Earth Federation Forces | Titans | New Desides | Londo Bell | ECOAS | Phantom Sweep Corps | Federation Survey Service | League Militaire | Man Hunting Attachment|
|Autonomous Republic of Munzo | Principality of Zeon | Axis Zeon | Neo Zeon | Glemy Faction | Republic of Zeon | Delaz Fleet | Mars Zeon/Oldsmobile | ReZeon | Midnight Fenrir Corps | Chimera Corps | Invisible Knights|
|Anti-Earth Federation Movements|
|Anti Earth Union Group | Karaba | Mufti|
|Crossbone Vanguard | Cosmo Babylonia | Jupiter Empire | Jupiter Energy Fleet | Riah Republic | Zanscare Empire/BESPA | Congress of Settlement Nations | Metatron/Zi Zeon|
|Anaheim Electronics | Buch Concern | Colony Public Corporation | Hervic Company | SNRI | Flanagan Institute | Minovsky Physics Society | MIP | Newtype Research Institute | Vist Foundation | Zimmad | Zeonic | List of Universal Century companies|