Since 1983, 7 Oil has providing warm houses in the winter and cool houses in the summer to its residential customers. Residential delivery of oil includes the following counties: Camden, Burlington, Gloucester, Salem and Mercer. It also does commercial deliveries to New Jersey, southeastern Pennsylvania and northern Delaware. The business provides services of oil delivery, air conditioning, heating and tank needs. 7 Oil has a large number of delivery trucks and tank removal equipment to keep its customers worry-free. Customers may also pay with energy assistance checks, budget plans and 10-day billing, with credit approval.