Asia Allied Infrastructure Holdings Limited, an investment holding company, engages in civil engineering, electrical and mechanical engineering, and foundation and building construction work businesses in Hong Kong, the United Arab Emirates, and internationally. The company operates through Construction Services; Property Development and Assets Leasing; Professional Services; Non-Franchised Bus Services; and Medical Technology and Healthcare segments. It provides construction and consultancy services in the areas of civil engineering, electrical and mechanical engineering, and foundation and building construction. The company is also involved in the development, investment, sale, lease, and management of properties; and production and sale of positron emission tomography radiopharmaceuticals for medical use. In addition, it offers security, tunnel, and facility management, as well as repair and maintenance services. Further, the company provides surveying and engineering, financing, security guard, and consultancy services, as well as non-franchised bus services. Additionally, it offers electrical and mechanical contract works. The company was formerly known as China City Construction Group Holdings Limited and changed its name to Asia Allied Infrastructure Holdings Limited in October 2016. The company was founded in 1968 and is headquartered in Cheung Sha Wan, Hong Kong. Asia Allied Infrastructure Holdings Limited is a subsidiary of GT Winners Limited.