National Jousting Association 
The United States' association for ring jousting, the country's longest continuously contested sport. History, rules, clubs, and schedules.
http://www.nationaljousting.com/Society of Tilt and Lance Cavalry 
Canadian not-for-profit for mediaeval-style mounted jousting in full armor. Photos, schedules, and information about the society.
http://members.shaw.ca/joust/
SCA Equestrian Marshal 
Society for Creative Anachronism's resources for jousting and other mounted combat. Includes rules, handbooks, and regional contacts.
http://www.sca.org/officers/equestrian/
Pennsylvania Jousting Club 
Organises state championships and teams to national competitions.
http://www.geocities.com/pajousts/
Maryland Jousting Tournament Association 
The oldest jousting league in the United States. Site features the sport's Hall of Fame, competitors' handbook, and east coast rules.
http://www.geocities.com/marylandjousting/
Scotfest Jousting Championships 
International tournament held at the Longs Peak Scottish and Irish Highland Festival.
http://www.scotfest.com/index.php?info=1708
Amateur Jousting Club of Maryland 
Established in 1958, the AJC has hosted more than 650 tournaments in its history.
http://ajc.psyberia.com/
Central Maryland Jousting Club 
Based in the town of Frederick, this group includes members from across and outside the state.
http://www.geocities.com/cmjc1/
Western Maryland Jousting Club 
A local amateur group for ring jousters.
http://www.geocities.com/wmjc9/
Ordo Ignis 
Norwegian group dedicated to research and perpetuation of jousting and other Scandinavian mediaeval traditions.
http://flammensorden.laiv.org/index_frames_flammen.html
The Tudor Joust 
An interactive demonstration of jousting in the court of Elizabeth I, by the Victoria and Albert Museum.
http://www.tudorbritain.org/joust/
Mounted Combat 
Mounted swordsmanship instruction and equipment.
http://www.classicalfencing.com/mcrider.php