Siamgas and Petrochemicals Public Company Limited is a Thailand-based company engaged in the trading business of liquefied petroleum gas (LPG) and related petroleum products. Its products are distributed under the brand names of Siam Gas and Unique Gas. It operates LPG warehouses and gas containing factories, as well as works with the dealers and gas service stations throughout Thailand. The Company is also engaged in the transportation services of petroleum products, LPG, ammonia and other related products, such as butane, propane and propylene. In addition, it manufactures and sells LPG tanks, as well as ethanol through its subsidiaries. The Company's subsidiaries include Lucky Carrier Company Limited, Siam Quality Steel Company Limited, Siam Ethanol Export Company Limited and others. The Company also has overseas operations in China, Vietnam, Singapore and Malaysia.