HF Sinclair Refining & Marketing Company

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Frontier Refining & Marketing is a subsidiary of Frontier Oil Corporation, which is an oil and gas exploration company. Frontier Refining & Marketing has a permitted crude oil capacity of over 50,000 barrels per day. Founded in 1949, Frontier Oil Corporation sells gasoline and diesel to unbranded jobbers and also has supply arrangements to retail operations for other oil companies. It operates logistics & specialty oil sales, marketing and logistics and asphalt sales departments. Headquartered in Houston, the corporation employs marketing analysts, regional managers and coordinators. Frontier Oil Corporation maintains a location in Cheyenne, Wyo.