Sinclair Oil Corporation is an American petroleum company founded in 1916. It is known for its production and refining of oil and natural gas, as well as its network of service stations across the United States. The company’s iconic green dinosaur logo, named Dinah the Dinosaur, has become a recognizable symbol in the oil industry. Headquartered in Salt Lake City, Utah, Sinclair operates refineries and has a strong presence in the Rocky Mountain region. The company focuses on providing high-quality fuels and has a commitment to environmental responsibility through various initiatives and technologies.