Fear of the Dark: Specializes in organising and running horror and murder/mystery events. All events are catered and insurance is included. Located in the United Kingdom.
In Nomine LARP: Austin, Texas game based on Steve Jackson Games' tabletop game of angel/demon conflicts.
Midnight's Children: Dark Theatres of the Mind: A post-apocalyptic supernatural LARP set in California, but played in Toledo, Ohio.
Subterranean Homesick Games: Authors of live action games, in the interactive literature style. Site contains information on each of the stories they have created.
The Company of Crimson: Campaign information for a gothic horror LARP set in Victorian England