7 Oil is here to keep you warm in the winter, cool in the summer, and comfortable any time in-between. For trucks, equipment, and job sites, 7 Oil has you covered. 7 Oil delivers residential heating oil to homes across Burlington, Camden, Gloucester, Mercer, Salem, and parts of Cumberland County in Southern New Jersey. We have been serving the residential area of southern New Jersey with premium heating oil and superior customer service since 1983. We also provide direct truck-to-truck mobile fueling, as well as bulk tanks, construction equipment, and emergency back-up generators.