Since 2015, HKI has been providing construction services, particularly for roads and bridges. HKI has completed several segments of the Trans Sumatra Toll Road (JTTS) and other infrastructure projects in Java and Sumatra.

To date, HKI continues to construct sections of JTTS and other infrastructure.

HKI has now entered the investment business, while continuing to focus on its core expertise in roads and bridges through the Public-Private Partnership (PPP) scheme.