Frontier Oil Corporation More Information Frontier Oil Corporation Description: Frontier oil corporation is an independent oil refining and marketing company with complex refineries. Category: United States > Business > Energy and Environment > Oil Refining URL: http://www.frontieroil.com/ Report Broken Link: Report Problem With Website: Rate This Site Current Rating for "Frontier Oil Corporation": 0.00 Current Votes for "Frontier Oil Corporation": 0 How do you rate "Frontier Oil Corporation"? 10 - The Best 9 8 7 6 5 4 3 2 1 - The Poorest Remarks: Ezilon Web Directory is not affliliated with, and does not endorse any websites in our directory.