Sunoco has grown from its humble roots as a small oil company in Pittsburgh, PA, to one of the largest fuel distribution companies in the United States. Sunoco's rich, 130 plus-year heritage, legacy and reputation for innovation, and commitment to its local communities are foundational elements of this iconic American brand. Today, Sunoco Sunoco has grown from its humble roots as a small oil company in Pittsburgh, PA, to one of the largest fuel distribution companies in the United States. Sunoco's rich, 130 plus-year heritage, legacy and reputation for innovation, and commitment to its local communities are foundational elements of this iconic American brand. Today, Sunoco distributes fuel to over 5,000 gas station locations in more than 30 states. ...more