Phillips 66 operates as an oil group with four divisions: trading and distribution of petroleum products (64.7% of net sales), refining (24.5%), processing, transportation, and storage of petroleum products and natural gas (10.7%), and other activities (0.1%). The company runs over 8,530 service stations across the U.S. and Europe, operates 12 refineries, and generates significant revenue primarily from the U.S. market (80.6%), followed by the U.K. (9.9%) and Germany (3.8%).