EverFull Oil is a family-owned and operated home heating oil delivery company serving customers in Andover, Billerica, North Reading, Reading, Tewksbury and Wilmington. Customers who call EverFull Oil by 10 a.m. can receive same-day oil delivery. Customers also can put themselves on an automatic delivery schedule by providing a valid credit card to be put on file. Delivery services after operating hours are available at a $50 charge. Seniors receive a 3-cent per gallon discount on all deliveries.