sunoco 2005 Form 10-K

This document is Sunoco Inc.'s annual report (Form 10-K) filed with the SEC for the 2005 fiscal year. It provides information on Sunoco's business operations, organizational structure, financial performance, risk factors, and other disclosures required by the SEC. Specifically, it summarizes that Sunoco operates in five business segments: Refining and Supply, Retail Marketing, Chemicals, Logistics, and Coke. It owns and operates five petroleum refineries in the US and markets fuels through a network of over 4,700 retail outlets.