EXHIBIT 21.1

HOLLYFRONTIER CORPORATION

SUBSIDIARIES OF REGISTRANT

                 State or Country of

Name of Entity         Incorporation or Organization    

7037619 Canada Inc.    Canada

    Artesia PTU            Delaware

Artesia Renewable Diesel Company LLC        Delaware

Black Eagle LLC        Delaware

    Cheyenne Logistics LLC (3)    Delaware

    Cheyenne Pipeline LLC (joint venture) (3)    Texas

Cheyenne Renewable Diesel Company LLC    Delaware

    Cushing Connect Pipeline & Terminal LLC (joint venture)    Delaware

Cushing Connect Terminal Holdings LLC (joint venture subsidiary)    Delaware

Cushing Connect Pipeline Holdings LLC (joint venture subsidiary)    Delaware

    Eagle Consolidation LLC    Delaware

    El Dorado Logistics LLC (3)    Delaware

    El Dorado Operating LLC (3)    Delaware

    El Dorado Osage LLC (3)    Delaware

    El Paso Operating LLC    Delaware

    Ethanol Management Company LLC    Delaware

    Frontier Aspen LLC (f/k/a HEP Casper SLC LLC) (3)    Delaware    

    Frontier Pipeline LLC    Delaware

    Frontier Refining & Marketing LLC    Delaware    

    HEP Cheyenne LLC (3)    Delaware

    HEP Cushing LLC (f/k/a HEP Cheyenne Shortline LLC) (3)    Delaware

    HEP El Dorado LLC (3)    Delaware

    HEP Fin-Tex/Trust-River, L.P. (3)    Texas

    HEP Logistics GP, L.L.C (3)    Delaware

    HEP Logistics Holdings, L.P.    Delaware

    HEP Mountain Home, L.L.C. (3)    Delaware

    HEP Navajo Southern, L.P. (3)    Delaware

    HEP Oklahoma LLC (3)    Delaware

    HEP Pipeline Assets, Limited Partnership (3)    Delaware

    HEP Pipeline GP, L.L.C. (3)    Delaware

    HEP Pipeline, L.L.C. (3)    Delaware

    HEP Refining Assets, L.P. (3)    Delaware

    HEP Refining GP, L.L.C. (3)    Delaware

    HEP Refining, L.L.C. (3)    Delaware

    HEP Tulsa LLC (3)        Delaware

    HEP UNEV Holdings LLC (3)    Delaware

    HEP UNEV Pipeline LLC (3)    Delaware

    HEP Woods Cross, L.L.C. (3)    Delaware

    Holly Energy Finance Corp. (3)    Delaware

    Holly Energy Holdings LLC (3)    Delaware

    Holly Energy Partners – Operating, L.P. (2), (3)    Delaware

    Holly Energy Partners, L.P. (2) (3)    Delaware

    Holly Energy Storage – Lovington LLC (3)    Delaware

    Holly Logistic Services, L.L.C.    Delaware

    Holly Logistics Limited LLC    Delaware

    Holly Petroleum, Inc.    Delaware

    Holly Realty, LLC        Delaware

    Holly Refining Communications, Inc.    Delaware

    HollyFrontier Asphalt Company LLC    Delaware

    HollyFrontier Cheyenne Refining LLC    Delaware

    HollyFrontier Cyprus Limited    Cyprus

    HollyFrontier El Dorado Refining LLC    Delaware

    HollyFrontier Holdings LLC    Delaware

    HollyFrontier LSP Brand Strategies LLC    Delaware

HollyFrontier LSP Europe B. V. (f/k/a Petro-Canada Lubricants Netherlands B.V.)    Netherlands

    HollyFrontier LSP Holdings LLC    Delaware

    HollyFrontier LSP Latin America Holdings LLC    Delaware

    HollyFrontier LSP Mexico S. de R.L. de C.V.    Mexico

    HollyFrontier LSP Services LLC    Delaware

    HollyFrontier LSP US Holdings LLC    Delaware

    HollyFrontier Luxembourg Holding Company    Luxembourg

    HollyFrontier Mexico Services S. de R.L. de C.V.    Mexico

    HollyFrontier Navajo Refining LLC    Delaware

    HollyFrontier Netherlands B.V.    Netherlands

    HollyFrontier Payroll Services, Inc.    Delaware

    HollyFrontier Refining & Marketing LLC    Delaware

HollyFrontier Renewables Holding Company LLC (f/k/a HollyFrontier Midstream Holding Company Inc.)    Delaware

HollyFrontier Renewables Marketing LLC    Delaware

    HollyFrontier Services LLC    Delaware

    HollyFrontier Transportation LLC    Delaware

    HollyFrontier Tulsa Refining LLC    Delaware

    HollyFrontier Woods Cross Refining LLC    Delaware

    Hollymarks, LLC        Delaware

    HRM Realty, LLC        Delaware

    Jia Shi Lubricants Trading (Shanghai) Co. Ltd.    China

    Lea Refining Company    Delaware

    Lovington-Artesia, L.L.C. (3)    Delaware

    Navajo Holdings, Inc.    New Mexico

    Navajo Pipeline Co., L.P. (1)    Delaware

    Navajo Pipeline GP, L.L.C.    Delaware

    Navajo Pipeline LP, L.L.C.    Delaware

    NWNAL LLC (3)        Delaware

    Osage Pipe Line Company, LLC (joint venture) (3)    Delaware

    Petro-Canada America Lubricants LLC    Delaware

    Petro-Canada Europe Lubricants Limited    U.K.

    Petro-Canada Lubricants Inc.    Canada

    Qingdao Sonneborn Refined Products Co., Ltd.    China    

    Red Giant Oil Company LLC    Delaware

    Roadrunner Pipeline, L.L.C. (3)    Delaware

    SLC Pipeline LLC (f/k/a HEP SLC, LLC) (3)    Delaware

    Sonneborn do Brasil Reprecentacoes Comerciais LTDA    Brazil

    Sonneborn Refined Products B.V.    Netherlands

    Sonneborn US Holdings LLC    Delaware

    Sonneborn, LLC        Delaware    

    UNEV Pipeline, LLC (joint venture) (3)    Delaware

    Wainoco Oil and Gas Company    Delaware    

    Wainoco Resources, Inc.    Delaware

    Woods Cross Operating LLC (3)    Delaware

(1)Navajo Pipeline Co., L.P. also does business as Navajo Pipeline Co.

(2)Holly Energy Partners, L.P. and Holly Energy Partners – Operating, L.P. also do business as Holly Energy Partners.

(3)Represents a subsidiary of Holly Energy Partners, L.P. We have presented these entities in our list of subsidiaries as a result of our reconsolidation of Holly Energy Partners, L.P. on March 1, 2008.