Tetragon Energy Limited operates as an independent oil and gas exploration company in Southeast Asia. It holds interests in Petroleum Service Contracts SC-80 and SC-81 located in the south Sulu Sea near the island of Borneo and SC-82, an onshore block on the Island of Luzon located in the Cagayan Basin, northeast of Manila city. The company was incorporated in 2025 and is based in Fremantle, Australia.