Diamond Shamrock Refining & Marketing

Diamond Shamrock Refining & Marketing, part of Valero Energy Corporation, stands as a leading independent petroleum refiner and the largest renewable fuels producer in North America. The company is dedicated to delivering high-quality fuels, including TOP TIER certified Valero branded fuels, while prioritizing safety, environmental responsibility, and community engagement.

With a commitment to innovation and sustainable energy, Valero operates multiple business segments, including refining, ethanol, and renewable diesel, aimed at providing reliable and affordable energy solutions. The organization fosters a diverse and inclusive workplace, striving to ensure a safe and rewarding environment for its employees while focusing on long-term value for shareholders and the communities in which it operates.

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