Pennzoil is an American oil company founded in Los Angeles, California in 1913. In 1955, it was acquired by Oil City, Pennsylvania company South Penn Oil, a former branch of Standard Oil. In 1963, South Penn Oil merged with Zapata Petroleum; the merged company took the Pennzoil name. During the 1970s, the company moved its offices to Houston, Texas. In 1977 a spin-off company was formed called Pogo, which stood for Pennzoil Offshore Gas Operators.
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.