Current GBD website. GBD is now made by Cadogan, who also make Comoy of London, Dr. Plumb's Perfect Pipes, BBB, and Orlik Pipes. . Since the merger in 1981 with Comoys, GBD pipes are not considered to be of the quality they were under the original companies. Metal rondelles were discontinued after the merger with Comoy. The brass rondell made a reappearance on new production GBD's. The new lines are Autumn Gold, Bermuda, Facet, Pub and CW (Churchwarden).