Employees: 500 - 1,000
Revenue: $1 Billion - $5 Billion
Website: Click here to visit »
About Frontier Oil Corporation
Frontier Oil Corporation was a leading energy company in the United States of America. It was created in 1949 and named Wainoco Oil. It was established in Houston, Texas. However, it had one major subsidiary – Frontier Refining & Marketing – that was based in Denver, Colorado.
Some of its most important products include asphalt, diesel and gasoline. It also had a few refineries in Wyoming and Kansas. It employed about 730 workers only.
2007 was its most profitable year, while the income for the respective year exceeded $432 million. However, its history reached to an end in the summer of 2011, when it merged with Holly Corporation.
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