MSERV is one of the largest Electrical, Mechanical, Fire Protection, and Plumbing (MEPF) contractors and energy service companies (ESCO) in the Philippines. We offer a broad range of solutions to meet your needs for efficient energy utilization. As a wholly-owned subsidiary of MERALCO, we have access to more than 100 years of expertise and have taken a role in building and re-building the nation amidst political and economic crises.