M-4 Construction and Maintenance Services, Inc. is a 25 years old company established April 1988 by Engr. Leonardo B. Mercado, a Professional Mechanical Engineer. The company is a multi-disciplined engineering and construction company catering Civil, Structural, Mechanical, Electrical and Telecommunication works. Through the years, M-4 established a reputation of delivering good quality and on-time completion of projects. Thus, M-4 is the company of choice among the big industries in South Luzon area as a reliable general contractor.


M-4 is strategically located at San Pascual, Batangas where most of the heavy industries like refineries, power plants, cement plant and petrochemical plant are near. Nonetheless the company is capable of doing work anywhere in the Philippines as exemplified in their contracts with various clients.


The year 2003, created a strategic change as M-4 Construction and Maintenance Services takes forward from a single proprietorship into a corporation where the family members are the incorporators. Twenty five years in construction industries M-4 consistently demonstrated to its valued clients the quality, integrity and timely completion of awarded projects. Because of the values and culture of the people around the organization of M4CMSI, the company established and retain a very good positive impression and trustworthy relationship to its clients and frequently hold various significant projects with JG Summit Petrochemical Corp., URC-BOPP, Nestle Phil., BPI, Smart Communications Inc., Globe Telecom, Philippine Long Distance Telephone Company, Ingasco Inc. International Container Terminal Services, Inc., Littlefuse Inc. and other more treasured clients.


The company recognizes the global concern for a safer and greener environment and so it adopts policies that would promote safety and environmentally friendly work atmosphere on each project it tackles. This year the company will set sights on renewable energy as additional products and services of the company.


M-4 Construction and Maintenance Services, Inc. has done quality works for the past 25 years and will be continually involved in the frontlines of the construction industry for many years to come.