- Amateur Bodybuilding Association - Sponsors natural bodybuilding competition. Information including list of banned substances, rules and regulations, and judging criteria.
- Australasian Natural Bodybuilding - The official website of the A.N.B. giving information on results, competitions, rules, banned drugs and contact information.
- British Natural Bodybuilding Federation - Dedicated to British drug free bodybuilding, both amateur and professional. Covers training, diet and competitions.
- International Federation of BodyBuilders (IFBB) - Home of the Mr. Olympia and Ms. International competitions. Includes rules for pros and amateurs, contest results, links, reports and news.
- Manitoba Amateur Body Building Association - Calendar of events and results of Manitoba's amateur bodybuilding scene.
- NABBA International - Official site of the National Amateur Body Builders Association (NABBA) International. News and information on Mr. Universe, Ms. Universe and other contests.
- NABBA USA - Information about the association, including codes of ethics, rules and regulations, and contest schedules.
- National Gym Association, Inc. - Personal fitness certification course and natural bodybuilding and fitness shows for men and women including professional and amateur athletes.
- National Physique Committee (NPC) - Governing body of amateur bodybuilding and fitness for the IFBB. Contains contest schedules, rules and guidelines, news and shopping.
- North American Natural Bodybuilding Federation - Natural bodybuilding links and contest schedule. Includes pictures, exercise tips and results.
- OCB - The Organization of Competitive Bodybuilders. North American drug-free bodybuilding, fitness and figure competitions and information.
- The Exercise Group - Official site of World Natural Bodybulding Federation (WNBF)and International Natural Bodybuilding Federation (INBF), with a variety of drug-free exercise information.
- The South Carolina National Physique Committee - The official information site for all South Carolina bodybuilding, fitness and figure competitors.
- United States Bodybuilding Federation - Offers natural athletes the opportunity to compete in local, regional and national bodybuilding competitions. Contains events, gallery and rulebook.
- World Body Building Association - Home of the Mr. and Mrs. America Contest. Site offers contest results, photos and schuedules.
- World Natural Sports - Sponsors drug-tested and televised bodybuilding comptetions across the country. Includes policies, membership information, news and event schedule.
