The majority shareholders are Clough and Kerogen Capital.

The Clough family founded Clough Engineering in 1919. Clough Engineering entered PNG in 1989 and completed numerous oil and gas infrastructure projects including the Kutubu and Hides field development, the Kumul Marine terminal and the construction of the Napa Napa refinery.

Kerogen Capital is an independent private equity fund manager specialising in the international oil and gas sector with approximately US$ 1.6 billion in invested and committed capital. Kerogen is currently invested in 13 countries across 4 continents with a portfolio of 11 flagship oil and gas appraisal and development projects.