I came across these guys at modern homes show in The Hub, Kilkenny - No connection of any kind, just liked what I saw. The details from their business card is : R & A Granite Dev Ltd, Church Hill, Cuffesgrange, Co Kilkenny 056 7729774 or 086 1597274 [broken link removed]
I know when we bought sandstone for a fireplace we bought it in a quarry in Ballypatrick, Co Tipperary, some was on display on the side of the road for sale between Grangemockler and Clonmel and we were very pleased with it. It dries out a lovely colour.