We provide equipment and services that will guarantee total system efficiency for the customer’s facility. A 100% subsidiary of MERALCO, MSERV has the competence, the capital, and the experience to deliver top quality services and tailor-fit solutions. A DOE-accredited ESCO, AAA PCAB-licensed company, with ISO 9001:2015 and ISO 14001:2015 certifications, MSERV has the capability and expertise to provide reliable, world class solutions to end users.