Asiaray Media Group Limited, an investment holding company, operates as an out-of-home media company in Mainland China, Hong Kong, Macau, and Southeast Asia. It operates through Airports Business, Metro and Billboards Business, and Bus and Other Business segments. The company develops and operates out-of-home advertising media, including advertising in airports, metro lines, and billboards and building solutions. It also offers advertising services in bus exterior and interior, and bus shelter, as well as advertising services from other media spaces. In addition, the company provides design, consultancy, construction, and maintenance services; and advertising production, installation, and dismantling services, as well as invests in properties. The company was founded in 1993 and is headquartered in Quarry Bay, Hong Kong. Asiaray Media Group Limited is a subsidiary of Media Cornerstone Limited.