Refining companies process crude oil into gasoline, diesel, jet fuel, and other petroleum products. The Texas Gulf Coast refining complex near Houston is the largest in the United States.
CVR Energy is a diversified Houston-area holding company with petroleum refining and nitrogen fertilizer manufacturing operations.
Marathon Petroleum is the largest petroleum refining company in the US with significant operations and trading presence in Houston.
Par Pacific Holdings is a Houston-based energy company with refining operations in Hawaii, the Pacific Northwest, and the Rockies.
Valero Energy is the world's largest independent petroleum refiner with major refining operations in the Houston area.
Refining is the industrial process of converting crude oil into usable products. A modern refinery is essentially a complex chemical plant that uses distillation, cracking, reforming, and treatment processes to separate crude oil into hundreds of distinct products.
The Houston-area refining corridor along the Ship Channel is one of the most productive in the world. Facilities operated by ExxonMobil, Shell, LyondellBasell, and Valero process millions of barrels daily. The strategic coastal location allows easy import of international crude and export of refined products.
Houston refineries are among the most technologically advanced globally. Many have been retrofitted to process heavier, more sulfurous crude grades — which trade at a discount — into ultra-low-sulfur diesel and gasoline, generating higher margins than simpler refineries elsewhere.
There are 4 refining oil and gas companies headquartered in the Houston, Texas metropolitan area, making it the largest concentration of refining companies in the world.
The largest refining companies in Houston include CVR Energy, Marathon Petroleum Corporation, Par Pacific Holdings, Valero Energy Corporation. These companies range from Fortune 500 corporations to specialized independents.
Houston's proximity to the Gulf of Mexico, Permian Basin, and Eagle Ford Shale, combined with its deep talent pool, established infrastructure, and favorable business climate, makes it the ideal headquarters for refining companies.
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