4 links
Canadian Sport Parachuting Association
cspa.ca
Canada's representative to the Federation Aeronautique Internationale (FAI) and the recognised organization for sport parachuting in Canada.
National Skydiving League
skyleague.com
American 4-way formation skydiving league. News, scores, teams, events, regions, rules, and media information.
Parachute Industry Association
pia.com
Represents companies and individuals wanting to improve business opportunities in skydiving. Committees, meetings, online store, service bulletins, yellow pages and members area.
United States Parachute Association
uspa.org
Self regulating, non profit representative of skydiving.