Location
W J O’Brien & Son Ltd cover a large area surrounding Lough Foyle. They can regularly be seen anywhere from Magilligan, Castlerock, Limavady, Ballykelly, through the Roe Valley to Dungiven, Donemana, Claudy, in their home parish of Faughanvale and Tamnaherin and along the Faughan Valley into Strathfoyle, Ardmore, New Buildings and the Waterside and right across Derry City and around the border in County Donegal.