Donegal Investment Group plc, together with its subsidiaries, engages in the development, purchase, and sale of seed potatoes in Ireland, Europe, and internationally. The company also engages in the rental and sale of property assets. In addition, it manufactures, sells and distributes dairy products. The company serves growers, processors, packers, retailers, and consumers. It also exports its products. The company was formerly known as Donegal Creameries plc and changed its name to Donegal Investment Group plc in July 2013. Donegal Investment Group plc was founded in 1898 and is based in Letterkenny, Ireland.