Build King Holdings Limited, an investment holding company, engages in civil engineering works in the People's Republic of China and the Middle East. It constructs institutions/schools, and residential and commercial buildings, as well as undertakes fitting out, improvement, and alteration works for buildings. The company also undertakes environmental projects; foundation works; general civil works, including airport, drainage and water, landscaping, site formation, sports ground and park, and road and bridge works; marine works comprising general marine works and submarine pipelines; railway infrastructure and track works; structural steel works; and tunnel works. In addition, the company provides construction; marine engineering and transportation; sewage treatment; secretarial and nominee; electrical and mechanical engineering; and marine construction contracting services. Further, it supplies steam fuel. The company was founded in 1980 and is based in Kwun Tong, Hong Kong. Build King Holdings Limited is a subsidiary of Top Horizon Holdings Limited.