Frank Sakda Sreesangkom

Tap Oil Ltd. is an independent oil and gas exploration and production company. The company engages in the acquisition and development of oil and natural gas reserves in Australia and Thailand. It operates through three segments: Oil & Gas Production and Development, Oil & Gas Exploration, and Third Party Gas. The Oil & Gas Production and Development segment includes the assets moved from the exploration phase to the development phase and also includes producing assets. The Oil & Gas Exploration segment includes all the areas of interest still in their exploration phase. The Third Party Gas segment includes the purchases and sale of gas. The company was founded by Edward Patrick Jacobson on March 14, 1995 and is headquartered in Perth, Australia.

Glow Co., Ltd. distributes electricity and is ultimately controlled by the Government of Thailand. The company is based in Bangkok, Thailand.

Northern Gulf Petroleum Pte Ltd. extracts and refines petroleum products. It offers oil, gas exploration and production services. The firm owns and operates manora oil discovery and rossukon single well oil discovery services. The company is headquartered in Chomphon, Thailand.