Premcor Inc is : A privately held company and its principal owner is the investment company, blackstone group. A focused refining company. A "like-minded company" in its interest in taking in cheaper sour crude oil, king said. An oil refinery, accused the company of making major modifications to the refinery without installing pollution. Chosen to focus on merchant refining and, in 1999, the company shed its retail holdings. One the largest private company in st. Shut its entire 170,000 b/d lima, ohio, refinery through march for a maintenance overhaul, the company said. The excellent job that it has done in creating value for all shareholders since the company's. The latest in a series of leaps that have transformed the company. The past few years, namely to grow the company. Adding 5. Mixing ethanol in gas. |