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Supplier Relations

  HollyFrontier Corporation Conflict Minerals Policy HollyFrontier Corporation Code of Business Conduct & Ethics

Conflict Minerals Policy

On August 22, 2012, the U.S. Securities and Exchange Commission (“SEC”) adopted the final rule regarding the sourcing of conflict ...

Environmental Stewardship

We care about the environment. Environmental stewardship is a core value at HollyFrontier Corporation and its subsidiaries.  We strive for ...

Safety Data Sheets

   Diesel  Gasoline (all grades)   Crude Oil  Asphalt  Anionic Asphalt  Cationic Asphalt  Fuel Oil Jet Fuel Kerosene Transmix Butane Isobutane ...

Customer Portal

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FERC 1.0.0

FERC ICA Oil Tariff                                                                                    F.E.R.C. No. 1.0.0           FRONTIER PIPELINE LLC   ADOPTION NOTICE     ...

F.E.R.C. No. 2.0.0

[N] FERC ICA Oil Tariff                                                                  F.E.R.C. No. 2.0.0                                                                         Adoption on F.E.R.C. No. 196.4.0 of                                                             Rocky Mountain Pipeline ...

Holly Transportation LLC

About Us Holly Transportation LLC provides transportation of crude oil and refined products, including: black wax crude, sweet crude, sour ...

Frontier Pipeline LLC

Frontier Pipeline’s assets include the following refined product pipelines: approximately three miles of a refined products pipeline from Frontier Refining’s ...

Terms of Use

All information and content on this website is provided by HollyFrontier Corporation, its affiliates and subsidiaries (collectively, “HFC,” “we,” “us” ...