Porto Energy Corp. engages in the exploration, development, and production of oil and natural gas. It focuses on the Aljubarrota-3, Torres Vedras-3, São Pedro de Muel-2, Cabo Mondego-2, Rio Maior-2, Zambujal and Peniche oil and gas concessions in Portugal. The company was founded by Patric Monteleone in 1993 and is headquartered in The Woodlands, TX.