The Wild Trout Trust - Charitable organisation dedicated to the conservation of wild trout in Britain and Ireland through the protection and restoration of their habitats.
The Round Valley Trout Association - A non-profit organization dedicated to maintaining and improving the fishery at the Round Valley Reservoir in New Jersey.
Ayr Angling Club - Trout fishing club based in the UK. Owns property on the Ayr River.
United States Trout Farmers Association - Group of individuals and companies engaged in producing, raising, processing and marketing trout for eggs, broodstock, recreation and food.
Traditional Anglers of Pennsylvania - Articles, calendar, and membership information for group aiming to preserve traditional fishing methods for trout.
Southwest Missouri Fly Fishers - A chapter of the Federation of Fly Fishers. Learn about area fisheries and basic fly fishing skills.
Orkney Trout Fishing Association - Scottish trout fishing club. Works to conserve and enhance the aquatic environment. Includes a guide to the brown trout and sea trout waters of the Orkney Islands.