Valero Energy Corporation is a San Antonio-based Fortune 500 refiner and the largest in North America, operating approximately 17 refineries across the U.S., Canada, and the Caribbean with a combined output of around 3.3 million barrels per day. The company produces petroleum fuels, asphalt, sulfur, and petrochemical feedstocks, and operates more than 5,500 retail sites across 44 U.S. states, Canada, and the Caribbean under brands including Valero, Diamond Shamrock, and Ultramar.
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Authority
89/100
Safety
90/100
Registered
Feb 21, 1996
30 years old · Network Solutions, LLC
On record
since 2007
All 5 safety checks passed (Sep 3, 2026).
Current facts
What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.
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Domain registered Feb 21, 1996 — 30 years old.
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Registrar today: Network Solutions, LLC — unchanged since AboutUs began tracking (Jul 29, 2026).