Rex International Holding Ltd. engages in oil and gas exploration and production. It operates through the following three segments: Oil and Gas, and Non-Oil and Gas, and Corporate. The Oil and Gas segment involves in oil and gas exploration and production with concessions located in Oman, Norway, the United States of America, and Trinidad and Tobago. The Non-Oil and Gas segment includes owning an oil recovery technology. The Corporate segment pertains to corporate functions. The company was founded by Karl Helge Tore Lidgren and Mans Nicklas Lidgren on January 11, 2013 and is headquartered in Singapore.