Union Steel Holdings Ltd. is an investment holding company, which engages in the trade of ferrous and non-ferrous scrap metals. It operates through the following segments: Metals, Scaffolding, Engineering, and Others. The Metals segment involves in the import and export of scrap metals and metal products. The Scaffolding segment provides scaffolding and consultancy services. The Engineering segment consists of civil construction and engineering works, manufacturing of motor vehicle bodies, and sale and rental of marine deck equipment. The Others segment refers to the income generated from rental of properties. The company was founded by Yu Seng Ang and Yew Chye Ang in 1984 and is headquartered in Singapore.