- The T.Y.F. (Twr-y-Felin) Group specialises in outdoor adventure and training and corporate personnel development, it also has equipment shops and a hotel.www.tyf.com
- Specialist professional diving for the film/media industry & scuba diver training. Underwater photography, filmmaking & other miscellaneous media services. Diver training from novice to professional. Scientific and archeological commercial diving missions undertaken ...www.celticdiving.co.uk