National Muzzle Loading Rifle Association: The largest association of muzzle loaders in the United States, promoting the sport of muzzleloading through venues such as match competition, hunting, gun making and safety, historical re-enactments, exhibits, museums, libraries, and other related programs. Publishes Muzzle Blasts magazine

North-South Skirmish Association, Inc.: The N-SSA promotes the shooting of Civil War firearms and artillery and encourages the preservation and display of Civil War materials

Sporting Arms and Ammunition Manufacturers' Institute (SAAMI): An association of the nation's leading manufacturers of sporting firearms, ammunition, and components. Currently publishes more than 700 voluntary standards related to firearm and ammunition quality and safety

The Cast Bullet Association: A world-wide organization of shooters who cast and shoot their own lead alloy bullets for hunting and target shooting