American Berkshire Association
US national registry for the Berkshire breed of pigs. Includes organization information, news, and information fro producers.
Certified Pedigree Swine
Registry of the Poland China, Chester White, and Spotted breeds in the United States. Features forms, publications, calendar, history, and show and sale results.
Iowa Pork Producers Association
Provides leadership in areas related to the industry in order to enhance Iowa pork producers' opportunity, profit, success and stewardship.
National Pork Producers Council
National Pork Producers Council focuses on the legislative and public policy issues for its members. Based in Washington, D.C., the NPPC develops strategy and is the primary liaiso…
The Canadian Duroc
Since its introduction into Canada at the turn of the century, the Duroc has become one of the country's most popular breeds. Information and contact for breeders' association.