About us

KMB was not born out of mere business ambition, but rather from a simple belief: that true success in the mining industry can only be achieved if all parties move forward in the same direction.

Founded by experienced mining practitioners, we recognize that the biggest challenge in the coal industry is not simply moving earth or meeting production targets. The real challenge is building a healthy work environment, where worker safety is guaranteed, the environment is protected, and client profitability consistently increases.

With a reliable fleet and integrated management system, PT Kontraktor Maju Bersama continues to strive to exceed industry standards. We don't just dig coal; we build the foundation for the nation's energy progress, one synergistic step at a time.