- Its president was Greg Stafford, who semi-retired from the game industry in 2013.
- Its main purpose was developing Glorantha
- It was the publisher of:
- Hero Wars: Roleplaying in Glorantha (2000)
- Gloranthan Visions (2000)
- Glorantha: Introduction to the Hero Wars (2000)
- Thunder Rebels (2000)
- Anaxial's Roster (2000)
- Storm Tribe: The Cults of Sartar (2001)
- Complete Griselda (2001)
- Barbarian Adventures (2001)
- Orlanth is Dead! (2002)
- Imperial Lunar Handbook (2003)
- Dragon Pass: A Gazetteer of Kerofinela (2003)
- HeroQuest 1 (2003)
- Hero's Book (2003)
- Men of the Sea (2004)
- Gathering Thunder (2004)
- After the release of Gathering Thunder, it licensed the Heroquest rules system to Moon Design Publications in 2005. Products continued to be produced under the Issaries Inc. logo until 2013.
- Issaries, Incorporated was dissolved in 2013 after it sold all of its Gloranthan IP and related trademarks to Moon Design Publications.