Asiaray Media Group Limited is an investment holding company that operates as an out-of-home media company in the People's Republic of China, Hong Kong, and internationally. It operates through three segments: Airports Business, Metro and Billboards Business, and Bus and Other Business. The company develops and operates out-of-home advertising media, including advertising in airports, metro lines, billboards, and building solutions, and also offers advertising services on bus exteriors and interiors, bus shelters, and other media spaces. In addition, it provides design, consultancy, construction, and maintenance services; advertising production, installation, and dismantling services; design engineering and consulting services; signage and street furniture activities; and property investments. Founded in 1993, the company is based in Quarry Bay, Hong Kong, and is a subsidiary of Media Cornerstone Limited.