For 50 years and 3 generations, our family managed business has been delivering unique cuts of stone from the 4 quarries we operate in the South West of Co. Donegal, Ireland. Catering for both domestic and export markets, McMonagle Stone has grown from a small part time business to a leading manufacturer and supplier of natural stone building and landscaping materials as the world has discovered the properties of the high-quality product range we quarry and supply.