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