Established in 1980 by MW KELLOGG and PT. Pupuk Sriwijaya, As one of Indonesia's leading engineering and construction company, PT. Kelsri continously strives to provide only the highest quality and professional services to ensure each project regardless of size and complexity always meets our clients stringent engineering standars of delivery time and budget.

For more than 41 years, PT. Kelsri has been accumulated professional experiences in the construction of a wide variety of mechanical, pipeline, electrical and civil projects, either for public or private industry.


Become a strategic partner and the main partner of choice for customers and play an active role in development that includes the field of EPC and maintenance services nationally.


Prioritizing customer satisfaction in every implementation of development by prioritizing quality and reliability standards in an environment that upholds work safety through clean, skilled, disciplined human resources and guided by reliable work management.

We Provide a Full Range of Services :

  • Engineering Design
  • Procurement
  • Construction :
           Site preparation
           Civil & Foundations
           Steel Structure
           Mechanical Erection
           Electrical & Instrumentation
           Testing & Commissioning
  • Operation & Maintenance