The UK has 3 breed clubs. They organize their own Open and Champion shows, and their own events.
The Bedlington Terrier Health Group is not a breed club, but a very important organization.
The UK also has a sports club named after the breed (their home turf is the town of Bedlington): the Bedlington Terrier FC
The Bedlington Terrier Club Of America is the official breed club in the United States.
You can also check the American Kennel Club's Bedlington Terrier page.
In the remaining countries, which is the majority of the countries, the Bedlington Terriers usually belong to one of their Terrier clubs.
However Sweden, due to their long history with the breed, has their own club: the Scandinavian Bedlington Club.