Holly Asphalt, an independent petroleum refiner in the United States, operates across the mid-continent, southwestern, and Rocky Mountain regions.
Subsidiaries of HollyFrontier focus on producing and marketing a range of petroleum products, including gasoline, diesel, jet fuel, asphalt, heavy products, and specialty lubricants. Additionally, HollyFrontier owns Petro-Canada Lubricants Inc., which specializes in base oils and other lubricant products at its facility in Mississauga, Ontario.
Generated from their website's infomation