Home heating oil customers are saving money on their domestic heating oil by ordering oil online  though our website. Niall Clark Oils LTD is an independent, family run business with two generation's dedicated experience and are committed to the needs of our loyal customer base. We understand what it takes to provide great consistent service to our customers. We deliver heating oil on both sides of the border from our two heating oil depots. Niall Clarke Oils also run three modern service stations based in Ballymac, Newry and Oriel. These filling stations are equipped with nearly everything needed to make a motorist’s journey more pleasant.