In Nomine LARP Austin, Texas game based on Steve Jackson Games' tabletop game of angel/demon conflicts. http://members.aol.com/sumitr/

Midnight's Children: Dark Theatres of the Mind A post-apocalyptic supernatural LARP set in California, but played in Toledo, Ohio. http://www.geocities.com/TimesSquare/Lair/8263/

The Company of Crimson Campaign information for a gothic horror LARP set in Victorian England http://www.geocities.com/companyofcrimson/

The Loom Rules and game mechanics for vampire LARP gaming in the Pandemonium world. Located in California, United States. http://www.knowyourfate.com/loom

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. http://www.fotd.findingviews.com/

Subterranean Homesick Games Authors of live action games, in the interactive literature style. Site contains information on each of the stories they have created. http://www.unseelie.org/shg/

Beyond Reality LARP A Missouri-based group which runs modern horror games at conventions. Uses it's own d20 system and setting. http://beyondrealitylarp.com

Xenome A game set in the a world where superhuman mutants are real. Players take on the roles of these mutants or the normal humans who coexist and contend with them. http://www.geocities.com/cownsungod/Xenome/front.htm