
This subcategory includes crude oil supply, refining services, and primary petroleum products used as feedstock for energy and industrial production. It covers upstream and midstream oil operations, bulk crude trading, refinery outputs, and bitumen manufacturing. Products in this segment are critical for energy generation, petrochemical manufacturing, road construction, and fuel blending.
Verified refiners, NOCs, and traders purchasing crude oil worldwide. Use official portals below for sourcing & procurement.
*Some entities act via trading arms (e.g., Shell Trading, BP Trading, Unipec). Availability & compliance vary by country. Use official supplier/trader contact pages.
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