Holstein Association USA: The world's largest dairy cattle breed association for those with a strong interest in breeding, milking, and raising Holstein cattle.

American Jersey Cattle Association: For those who love Jersey cows. Now in Spanish.

Brown Swiss Association: Focus on cutting edge of agricultural technology and Brown Swiss cows.

American Milking Shorthorn Society: Its mission: to recognize and welcome the diversity of the Milking Shorthorn.

Red & White Dairy Cattle Association: All about the unique Red & White cows and those who breed them.

American Guernsey Association: Providing promotional programs and services to enhance the value and profits of the Guernsey breed for members, owners, and the dairy industry worldwide.

Ayrshire Breeders Association: Dedicated to the promotion of the Ayrshire breed, with information on genetics, marketing, and how you can become a member.