Sunoco Inc. is an American petroleum and petrochemical manufacturer headquartered in Philadelphia, Pennsylvania, United States, formerly known as Sun Company Inc. and Sun Oil Co. .
Houston Raceway (formerly Royal Purple Raceway) is a quarter-mile dragstrip in Baytown, Texas, just outside Houston. Built in 1988, the Park is situated on 500 acres on the eastern edge of the greater Houston metropolitan area and is Houston's only major multi-purpose motorsports venue. The dragstrip boasts a three-story tower building that incorporates 23 VIP suites, a media center, and race control facilities equipped with timing and scoring equipment.