Our mission is to be the premier U.S. refining and logistics company.

Corporate Profile

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HollyFrontier Corporation ("HollyFrontier") (NYSE: HFC) is among the largest independent petroleum refiners in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions.  Subsidiaries of HollyFrontier produce and market gasoline, diesel, jet fuel, asphalt, heavy products and specialty lubricant products. HollyFrontier is headquartered in Dallas, Texas and operates five complex refineries with 443,000 barrels per day of crude oil processing capacity. Subsidiaries of HollyFrontier manufacture and market lubricants and specialty products, asphalt products, and other heavy products at our five refineries and at our asphalt terminals.  HollyFrontier owns a 39% interest in Holly Energy Partners, L.P. (NYSE: HEP), which includes the 2% general partner interest.

Refining Operations

Our refining operations are located in Cheyenne, Wyoming; El Dorado, Kansas; Artesia, New Mexico; Tulsa, Oklahoma and Woods Cross, Utah. Each of the refineries has the complexity to convert discounted, heavy and sour crude oils into a high percentage of gasoline, diesel and other high value refined products.  The Company markets products primarily throughout the mid-continent, southwestern and Rocky Mountain regions, which are among the most attractive refined product markets in the United States.

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Cheyenne Refinery  

The Cheyenne Refinery is located in Cheyenne, Wyoming and has a crude oil capacity of 52,000 barrels per day with the complexity to convert a wide variety of crude oils into a high percentage of light products. Crude oil is purchased from local producers, including the   nearby Niobrara and Bakken formations, and is also imported via the Express Pipeline from Canada.  Cheyenne refined products are primarily marketed in the eastern slope of the Rocky Mountain region, which encompasses eastern Colorado (including the Denver metropolitan area), eastern Wyoming, and western Nebraska. 

El Dorado Refinery

The El Dorado Refinery is located in El Dorado, Kansas and is one of the largest refineries in the Plains States and Rocky Mountain region with a crude oil capacity of 135,000 barrels per day. The El Dorado Refinery can select from many different types of crude oil due to its direct pipeline access to the Cushing, Oklahoma hub, which is connected by pipelines to the Gulf Coast, Canada and a majority of the U.S. crude production. This crude oil access, combined with the refinery's complexity, gives it the flexibility to refine a wide variety of crude oils.  El Dorado refined products are marketed primarily throughout the Plains States and eastern slope of the Rocky Mountain region, which encompasses eastern Colorado (including the Denver metropolitan area) and eastern Wyoming. 

Navajo Refinery

The Navajo Refinery is located in Artesia, New Mexico and has a crude oil capacity of 100,000 barrels per day with the flexibility and complexity to process heavy crude oil, sour crude oil and light sweet crude oil. The refinery is in close proximity to West Texas crude supply and also has direct pipeline access to the wide variety of crude oils in Cushing, Oklahoma, including Canadian crudes.  Navajo refined products are marketed primarily in the southwestern United States and northern Mexico. 

Tulsa Refinery

The Tulsa Refinery is located in Tulsa, Oklahoma and has a crude oil capacity of 125,000 barrels per day.   The Tulsa Refinery primarily processes sweet crude oils, but can also process sour crude oils and sits adjacent to Cushing, Oklahoma, the largest crude oil trading hub in the U.S.  Tulsa refined products are marketed primarily throughout the Mid-Continent region of the United States. The Tulsa Refinery also manufactures lubricants and specialty waxes, including lubricating oils (base, blended and process oils), waxes, horticultural oils and asphalt modifiers.  

Woods Cross Refinery

The Woods Cross Refinery is located just north of Salt Lake City, Utah and has a crude oil capacity of 31,000 barrels per day.  The Woods Cross Refinery is a high conversion refinery that has advantaged access to regional sweet and black wax crudes as well as pipeline access to Canadian crude oils.  Woods Cross refined products are marketed primarily in Utah, Idaho, Nevada, Wyoming, and eastern Washington.

Holly Energy Partners

HollyFrontier owns a 39% interest, including the 2% general partnership interest, in Holly Energy Partners, L.P. (NYSE: HEP), a master limited partnership that owns and operates petroleum logistics assets including pipelines, terminals and tankage throughout the mid-continent.  Through subsidiaries, HEP owns or leases approximately 2,900 miles of petroleum product and crude oil gathering pipelines in Texas, New Mexico, Oklahoma, Nevada, and Utah.  HEP also owns tankage and refined product terminals in several mid-continent, southwestern and Rocky Mountain regions states. Read more or visit the Holly Energy Partners website. 

Lubricants & Specialty Products

HollyFrontier Refining & Marketing LLC markets lubricants, basestocks, specialty process oils and waxes.  The majority of the lubricant and wax products are manufactured at the Tulsa Refinery and marketed through terminals in California, Georgia, North Carolina, Texas, Ohio, Pennsylvania and Connecticut. The principal products consist of paraffinic oils, aromatic oils, waxes, horticultural oils and asphalt modifiers.

Specialty lubricant products are sold in both commercial and specialty markets. Base oil customers include blender-compounders who prepare the various finished lubricants and grease products that are sold to end users. Agricultural oils are formulated into EPA-registered pesticidal oils and adjuvants with herbicides.  Process oil customers include the rubber and chemical industries. Specialty waxes are sold primarily to packaging customers as coating material for paper and cardboard and to non-packaging customers in the construction materials, adhesive and candle-making markets.

Asphalt & Heavy Products

Our subsidiaries manufacture and market a variety of heavy products including performance-grade (PG) asphalt, fuel oil, vacuum tower bottoms, carbon black oil (slurry), roofing flux and zero pen asphalt (pitch).  We market these products to highway contractors, government agencies, construction material suppliers, asphalt maintenance companies and other wholesale customers from the refinery loading racks.  We also have asphalt terminals located in Artesia and Albuquerque, New Mexico and Glendale, Arizona, where we market PG asphalts, modified asphalts and commodity and modified emulsion products to a variety of customers and government agencies.