PT Mahakaam Jaya Sejahtera (MJS) was founded on 2009 as a member of MJ Group in order to provide and accelerate the development of Group's business.

Being well known as Transformer Specialist in repair and preventive maintenance, we have developed our business to reach our vision to be Integrated Electrical Services Company Solution.

We believe that quality of services is the only way to create a long term business relationship through our clients. PT Mahakaam Jaya Sejahtera has already achieved Quality Management System (QMS) ISO 9001 : 2008 in 2010. While competitiveness today is the only way to survive, In MJS, we call it "the art of today's business". By using years of experiences,skilled human resources, and quality of tools,materials and services we are confident to answer this challenge.