South Coast Jack Russell Terrier Club (SCJRTC) – As one of the oldest affiliate clubs of the JRTCA, their goal is to bring Southern California Jack Russell Terrier owners information, events and resources to enhance their ownership experience of these amazing little dogs.
Jack Russell Terrier Health Registry – The Health Registry is a volunteer data base – dogs are submitted by their owners with proof of test results.
Jack Russell Terrier Research Foundation (JRTRF) – The JRTRF encourages, promotes and supports the development and/or maintenance of research related to genetic defects found in the Jack Russell Terrier.