Siamgas and Petrochemicals Public Company Limited, together with its subsidiaries, trades in liquefied petroleum gas (LPG) and petrochemical products in Thailand and internationally. It operates through Petroleum and Petrochemical Products, Transportation Services, and Other segments. The company is also involved in the trading of petroleum for household cooking, industry, and transportation sectors. In addition, it provides transportation services by land and ship; manufactures and distributes LPG cylinders; and offers warehousing and storage, and oil depots and port services. The company was formerly known as VSPP Development Company Limited. Siamgas and Petrochemicals Public Company Limited was founded in 2001 and is headquartered in Bangkok, Thailand.