DoorDash, Inc. is an American company that operates an online food ordering and food delivery platform. It is based in San Francisco, California, United States. With a 56% market share, it is the largest food delivery company in the United States. It also has a 60% market share in the convenience delivery category. As of December 31, 2020, the platform served 450,000 merchants, 20,000,000 consumers, and 1 million deliverers.