The Fishing Farm Company in Ełk breeds, raises and sells freshwater fish. In 2007, a retail outlet was opened together with a modern processing plant which conforms to the international veterinary requirements which gave the company a strong position on the market of fresh, dressed, frozen and smoked fish. Breeding fish for the food industry as well as stocking material is conducted in ponds located near the towns of Knyszyn, Czechowizna, Ruda, Poryte Jabłoń. Fish of the farm have unique flavour as they are bred using natural feed supplemented with grains. They come from pure waters of region.