The Wills Group, Inc. (The Wills) is a privately held petroleum products distribution company. It is into distribution of various petroleum products including gasoline, diesel and kerosene. The company provides fleet of heating oil delivery services to their customer. The Wills also owns convenience store business. In addition, the company distributes products of various brands including those of CITGO, Chevron, and Shell. The company operates through its four subsidiaries, namely, Southern Maryland Oil, Delmarva Oil, SMO Motor Fuels and Dash-In Convenience Stores. The company also distributes various brands include Texaco, Exxon and Amoco. The Wills Group provides its services in Delaware, southern Maryland, and Washington, DC. The company is headquartered in La Plata, Maryland, the US.