Valero Energy Corporation (NYSE:VLO) is included among the 10 Best American Oil and Gas Stocks to Buy. Valero Energy (VLO) Beats Wall Street Expectations in Q4 Results Valero Energy Corporation (NYSE:VLO) is the world’s premier independent petroleum refiner and a leading producer of low-carbon transportation fuels. Valero Energy Corporation (NYSE:VLO) posted strong results for Q4 2025 on January 29, beating estimates on both earnings and revenue, driven by a rebound in margins and higher throughput volu ...