Melco International Development Limited, an investment holding company, engages in the leisure and entertainment business in Macau, the Philippines, Cyprus, and Japan. It operates in two segments: Casino and Hospitality, and Others. The company develops, owns, and operates a network of casino gaming and entertainment casino resorts.

It also involved in the development and operation of integrated casino and entertainment resort, and related activities; and operation of satellite casinos. In addition, the company provides financing, management, and property investment services. Further, it operates electronic gaming machines.

The company was formerly known as The Macao Electric Lighting Company, Limited and changed its name to Melco International Development Limited in 1988.