Navajo Refining Co LP

HollyFrontier, an independent petroleum refiner based in Woods Cross, UT, United States, operates subsidiaries throughout the mid-continent, southwestern, and Rocky Mountain regions. The company produces and markets a variety of petroleum products, including gasoline, diesel, jet fuel, asphalt, and specialty lubricants. HollyFrontier recently completed the acquisition of Sinclair Oil, further expanding its operations.