Siamgas and Petrochemicals Public Company Limited 

Headquartered in Bangkok, Thailand, and established in 2001 (originally as VSPP Development Company Limited), Siamgas and Petrochemicals Public Company Limited, alongside its subsidiaries, is a diversified energy enterprise. The company's principal activities involve the domestic and international trade of liquefied petroleum gas (LPG) and petrochemical products. Its operational structure is divided into Petroleum and Petrochemical Products, Transportation Services, and other categories. Beyond its core commodity trading—which includes supplying petroleum for household use, industrial applications, and the transport sector—Siamgas also offers a comprehensive suite of related services. These include land and sea transportation, manufacturing and distribution of LPG cylinders, and the provision of essential infrastructure like warehousing, storage facilities, oil depots, and port services.