MHS Aviation Berhad, operating as MHS Aviation is a non-scheduled airline company based in Malaysia. Its main operation are mainly in the Oil and Gas industry, where their helicopters transport personnel to offshore rigs. Its main clients are Petronas, Shell, ExxonMobil and others. Other than Malaysia, they also operate overseas, such as Mauritania and Timor Leste. They are currently the largest share in offshore oil and gas helicopter market in Malaysia, with 70% held by them. MHS Aviation is a subsidiary of Boustead Group.