Manila Electric Company (Meralco) is the largest private sector electric distribution utility company in the Philippines.  It provides electricity to 6.3 million customers in 36 cities and 75 municipalities in a franchise area covering 9,685 km2 that includes Metro Manila, the provinces of Rizal, Cavite, Bulacan and portions of the provinces of Pampanga, Batangas, Laguna, and Quezon.  The franchise covers the core of the country’s industrial, commercial, and population centers.  The Company celebrates its 115th year of service in 2018.   
The power segment, primarily power distribution, consists of operations of Meralco and its 65%-owned subsidiary, Clark Electric Distribution Corporation (CEDC), a registered private distribution utility serving exclusively within its franchise area including the Clark Freeport Zone and the sub-zone. 
Meralco through wholly-owned subsidiary, Meralco PowerGen Corporation (MGen) is developing a portfolio of power generation plants.  Through several subsidiaries in the services segment, Meralco provides engineering, design, construction and consulting services, bill collection services, distribution and energy management services, and communications, information systems and technology services.  The Company formalized its entry into the renewable energy space with the creation of MSpectrum, Inc. a wholly-owned subsidiary. 
Meralco is listed in the Philippine Stock Exchange (PSE: MER).