- National Potbelly Pig Registry - Provides permanent registration for individuals, shelters, and breeders. Handles litter applications, ownership transfers, breeder complaints, veterinarian verification, corrections and re-issues. Includes rules, fees, and statement of purpose.
- North American Potbellied Pig Association - Nonprofit educational service. Veterinarian listings, lists of certified breeders and shelters. Tips on seasonal care, health and safety risks, holiday and vacation concerns, poisons and diseases, living accommodations, grooming, discipline and behavior, diet and nutrition, starting a club, choosing a breeder, spay and neutering, medical care, choosing a veterinarian, expectations and issues by age group. Surveys, message board, brochures and zoning video.
- Pig Pals of NC - Educating the public about the potbelly as a pet. Images of available animals, and adoption and contact information. Non-profit.
- The Duchess Fund - Information and articles concerning the health of Vietnamese potbellies. Database of ailments and diagnosis of recent medical cases.
- United Pet Pig Registry - Includes pictures, membership details, articles about health and training, show information, and list of upcoming events.
