Adventures in Mid-land  
   Offers fantasy, science fiction and horror themed games in New York. Includes forums, chat room, FAQ, photos and contact information.
   http://www.adventuresinmidland.org/

Barking Mad Productions  
   Commercial event organizer based in Virginia. Features information on upcoming events and reports on completed ones.
   http://web.barkingmad.org/

Barking Spider Productions  
   Creators and producers of theater-style live action role-play games. Based in Ft. Myers, FL and staging events throughout Florida, using a variety of genres, time periods and settings.
   http://www.angelfire.com/fl/BarkingSpider/

Black and Noir Productions: Enigma  
   Company that offers to create custom gift adventures.
   http://blacknoirproductions.com/

Interactivities Ink  
   Producers of Rules To Live By and other LARP systems. Also provide free live action roleplaying systems.
   http://www.interactivitiesink.com

SYS Productions  
   New Jersey based theatrical game production company. Focus includes hosting live action events and publishing pen and paper games. Website offers community features such as in-character forums.
   http://sysproductions.com/v7/

Mystic Realms  
   Offers monthly events in multiple game genres in the New Jersey, United States area.
   http://www.mysticrealms.com

Sabbath Emporium  
   Specializes in organizing horror and mystery events in the United Kingdom.
   http://www.sabbathemporium.co.uk

Mystery In Mind  
   Runs live action roleplaying and murder mystery events of various genres throughout the UK.
   http://www.mysteryinmind.co.uk

Beyond Reality  
   A LARP group which runs events at Sci-Fi and RPG conventions in the midwest, primarily Missouri.
   http://beyondrealitylarp.com/