Saharat Vatanatumrak

Part of The Lanna Resources Public Co., Ltd., PT Singlurus Pratama is an Indonesian company that engages in coal mining activities. The company is based in Jakarta, Indonesia. Srihasak Arirachakaran has been the CEO of the company since 2008.

PT Lanna Harita Indonesia operates coal mines and supplies coal. It is a joint venture between Thai, Singaporean and Indonesian investors and has a proven deposit of 18 mt in Kutai. The company is headquartered in Jakarta, Indonesia

Part of The Lanna Resources Public Co., Ltd., PT Citra Harita Mineral is an Indonesian company that explores and mines for coal. The company is based in Jakarta Selatan, Indonesia. Pilas Puntakosol has been the CEO of the company since 2004. PT Citra Harita Mineral was acquired by The Lanna Resources Public Co., Ltd. on March 30, 2005 for $0.06 million.

Lanna Power Generation Co. Ltd. provides electric services. The private company is based in Pathum Wan, Thailand. Srihasak Arirachakaran has been the CEO of the Thai company since 2016.

Infrastructure Development Co. Ltd. (IDCOL) is an infrastructure development company based in Dhaka, Bangladesh. IDCOL provides advisory services, lending, and project implementation in various sectors, including infrastructure, renewable energy, and energy efficiency. The Bangladeshi company also offers training and capacity building programs and has won several awards for its corporate social responsibility initiatives. Recently, IDCOL has extended financing to Rising Industries Ltd. for a 3.10 MWp rooftop solar project and secured funds from the German Development Bank, KfW, to finance energy efficiency and renewable energy projects in Bangladesh. The private company was founded by Fouzul Kabir Khan.