Lanna Resources Public Company Limited, together with its subsidiaries, manufactures and distributes lignite in Thailand and internationally. It operates through five segments: Domestic Coal, Overseas Coal, Ethanol, Wood Pellet, and Soil Conditioner. The company also purchases and sells coal; produces and sells coal, ethanol, and wood pellets; and generates and distributes power. In addition, it is involved in renewable energy, coal trading, and ocean freight shipping businesses. The company was founded in 1985 and is headquartered in Bangkok, Thailand.