Phillips 66 is a brand of gasoline and other petroleum products owned by Conoco, a major American oil and gas company. The Phillips 66 brand was established in 1927 and has since become one of the most recognizable brands in the United States. It is known for its high-quality gasoline and other petroleum products, such as motor oil, lubricants, and fuel additives. The brand is also associated with the iconic Phillips 66 logo, which features a red and white shield with a blue star in the center.