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Private company

Giant Industries

Former oil refinery company

Giant Industries (NYSE: GI) was an oil refinery company headquartered in Scottsdale, Arizona in the United States. It owned three refineries, located at Bloomfield, New Mexico, Gallup, New Mexico, and Grafton, Virginia. Giant also owned a crude oil pipeline in New Mexico, a fleet of oil truck transports, and service stations in New Mexico, Colorado, and Arizona.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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Giant Industries (NYSE: GI) was an oil refinery company headquartered in Scottsdale, Arizona in the United States.2

Corporate structure

Giant Industries is part of a group headed by Marathon Petroleum. 155 entities, 6 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Marathon Petroleum Findlay, Ohio, United States
    • Giant Industries Scottsdale
    • Tesoro Corporation San Antonio, Texas, United States
      • TESORO REFINING & MARKETING COMPANY LLC Subsidiary · San Antonio, Texas, United States
    • ARCO Subsidiary · Los Angeles
    • 631 South Main Street Development LLC Subsidiary · Delaware, United States
    • Andeavor Field Services LLC Subsidiary · Delaware, United States
    • Andeavor LLC Subsidiary · Delaware, United States
    • Andeavor Logistics LLC Subsidiary · Delaware, United States
    • Andeavor Midstream Partners GP LLC Subsidiary · Delaware, United States
    • Andeavor Midstream Partners LP Subsidiary · Delaware, United States
    • Andeavor Servicios de Mexico, S. de R.L. de C.V. Subsidiary · Mexico
    • Asphalt Terminals LLC Subsidiary · Delaware, United States
    • BANGL Operating, LLC Subsidiary · Delaware, United States
    • BANGL, LLC Subsidiary · Delaware, United States
    • BEH Holding LLC Subsidiary · Delaware, United States
    • Blanchard Pipe Line Company LLC Subsidiary · Delaware, United States
    • Blanchard Refining Company LLC (d/b/a Galveston Bay Refinery) Subsidiary · Delaware, United States
    • Blanchard Terminal Company LLC Subsidiary · Delaware, United States
    • Buckeye Assurance Corporation Subsidiary · Vermont, United States
    • Buffalo Terminal LLC Subsidiary · Delaware, United States
    • Canton Refining Logistics LLC Subsidiary · Delaware, United States
    • Carson Cogeneration LLC Subsidiary · Delaware, United States
    • Catlettsburg Refining Logistics LLC Subsidiary · Delaware, United States
    • Catlettsburg Refining, LLC Subsidiary · Delaware, United States
    • Cincinnati BioRefining Corp. Subsidiary · Delaware, United States
    • Cincinnati Renewable Fuels LLC Subsidiary · Delaware, United States
    • and 127 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Sources

The numbers on this page point here. Each one links to the record it came from.

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