Who Valero buys from and sells to
Largest independent US refiner, mostly Gulf Coast, plus ethanol and Diamond Green Diesel renewable fuels.
Buys from 3
- Crude producersdomestic and imported heavy and sour crude feedstock
- Darling IngredientsDARwaste fats and oils for the Diamond Green Diesel JV
- Corn growerscorn for its ethanol plants
Sells to 3
- Wholesale and branded fuel marketersgasoline and diesel at the rack
- Latin American importersdiesel and gasoline exports to Mexico and Peru
- Airlinesjet fuel and sustainable aviation fuel
Where the chain could break
- Gulf Coast refinery cluster is exposed to hurricane shutdowns
- Renewable diesel margins hinge on US tax credits and RIN prices
- California assets: Benicia slated to stop refining in 2026 amid state rules
Competes with
- Marathon PetroleumMPCUS refining
- Phillips 66PSXUS refining
- PBF EnergyPBFrefining
- HF SinclairDINOrefining and renewable diesel
Mapped by hand from filings and company reporting, as of October 2026. It shows the relationships that matter most, not every contract: most are never disclosed, and agreements change.