The Westcountry Rivers Trust. For fishing in the Westcountry this should be your first contact.
The Devon School of Fly Fishing. For guided fishing and tuition Pete knows his stuff and is in to cane. Good man!
The Wye and Usk Foundation If you're going to fish Wales start here.
Simply the best bamboo links page I've found
The Arundell Arms Hotel. Trout, Sea trout, Salomon and Grayling, beautiful surroundings and some top notch guiding.
The Flymph.
The Alternative Tackle Co. Some of the best tackle makers in the world, all in one place
Powerfibres. A good rescource
Bryncrach Camping & Caravn Site. The ideal base for fishing in Mid Wales.