Union Auction Public Co., Ltd. engages in the provision of automobiles and motorcycles auction services and other types of assets such as land and houses, furniture, electric appliances, and brand-name products to meet the needs of both buyers and sellers from many financial institutions, private sectors, and governmental sectors. It operates under the Auction, and Transportation and Other Services segments. The company was founded by Thepthai Sila on August 2, 1991 and is headquartered in Bangkok, Thailand.