Ypsobay Trading Company was responsible for the construction of Fort Ypso along with several other buildings in its vicinity on the ice-covered planet of Vandor. Ultimately, the company's ambitious growth failed, leading to its downfall and the subsequent reuse of buildings like the Lodge.
- The first mention of this can be found in Solo: A Star Wars Story The Official Guide.
- Solo: A Star Wars Story: Tales from Vandor
- Ultimate Star Wars, New Edition
- Star Wars Encyclopedia: The Comprehensive Guide to the Star Wars Galaxy
- A backup link for information on Fort Ypso can be found in the Databank
- The Databank also contains a backup link for information on The Lodge.