PT Elnusa Tbk provides oil and gas services in Indonesia. The company operates through Integrated Upstream Oil and Gas Services; Oil and Gas Support Services; and Energy Distribution and Logistics Services segments. It offers geophysical/seismic data, oil and gas drilling, and oilfield services; and threading for oil and gas drilling, oil and gas data management, integrated information technology development, other threading, telecommunication, network service provider, storage, satellite communication, and very-small-aperture terminal-based communication services, as well as open cycle gas turbine pipe manufacturing and trading services. The company also provides physical data and general warehousing, core service, and remote storage services; data remastering services; solutions for water treatment plants and smart water meters; fleet management, and logistic and supply chain services; IT and communication services; and IOT products and services, including LORA devices and network infrastructure, and tracking monitoring and network management systems. In addition, it engages in transportation, depot, and trading activities; operates retail gas stations; distributes and trades in oil and chemicals; and offers mechanical maintenance, and ship rental and agent services. The company was formerly known as PT Electronika Nusantara and changed its name to PT Elnusa Tbk in June 1984. PT Elnusa Tbk was founded in 1969 and is based in South Jakarta, Indonesia. PT Elnusa Tbk is a subsidiary of PT Pertamina Hulu Energi.