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

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Corporate Office

2828 N. Harwood, Suite 1300
Dallas, TX 75201
(214)871-3555

Investor Relations                  
2828 N. Harwood,
Suite 1300
Dallas, TX 75201
(214)871-3555
investors@hollyfrontier.com

Human Resources
2828 N. Harwood, Suite 1300
Dallas, TX 75201
(214)871-3555
hr@hollyfrontier.com

Lubricants &
Specialty Products
             
International Plaza II,
Suite 423
Philadelphia, PA 19113
800-456-4786

Cheyenne Refinery
300 Morrie Avenue
P.O. Box 1588
Cheyenne, WY 82007
(307) 634-3551

El Dorado Refinery
1401 Douglas Road
P.O. Box 1121
El Dorado, Kansas 67042-3698           
(316) 321-2200

Navajo Refinery
501 East Main
Artesia, New Mexico 88210
(575) 748-3311

Tulsa Refinery
1700 South Union Avenue
Tulsa, Oklahoma 74107
(918) 594-6000

Woods Cross Refinery
393 South 800 West
Woods Cross, Utah 84087-1435
(801) 299-6600

Asphalt
29860 N. Tatum Blovd,
Suite 150
Phoenix, AZ 85050
(480) 256-1900


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