Established in 1926, Delmarva Oil Company is a full-service home comfort provider. The company provides heating oil, propane and heating and cooling services. Its sister concern Southern Maryland Oil Company (SMO) is one of the leading providers of heating oil, propane, and heating and cooling services in southern Maryland. Delmarva Oil Company provides its services in areas, such as Montgomery, Howard, Baltimore, Harford, Cecil and many more. The company provides its commercial energy services to restaurants, retail outlets, hospitals, hotels, golf courses and many others.