Isu-Sim were first mentioned in the Star Wars Legends reference book Star Wars: Complete Cross-Sections, which was written by David West Reynolds and Curtis Saxton for publication in 2007. The company were then confirmed to be canon when they were mentioned in Star Wars: The Force Awakens: Incredible Cross-Sections, which was written by Jason Fry and released in 2015.
- Star Wars: The Force Awakens: Incredible Cross-Sections
- Star Wars Complete Vehicles, New Edition