|1969||The Company was established as PT Electronika Nusantara based on the Deed of Establishment
No. 18 dated 25 January 1969.
|1971-1974||The Company started to explore the possibilities for doing business in the oil & gas industry by forming the Seismic Data Processing Division. The Company also launched the Scientific Data Center, Integrated Oil Communication System (IOCS), seismic data acquisition, reservoir stimulation services, and oil services especially refinery process optimization.|
|1980-1987||The Company continued its business expansion to the oil & gas data storage and management, oilfield services, and domestic fuel distribution, through the establishment of PT Sigma Cipta Utama, PT Elnusa Workover Hydraulic, and PT Elnusa Petrofin. In 1984 the Company’s name
PT Electronika Nusantara changed to PT Elnusa.
|2003-2005||The Company reinforced its position in the oil & gas industry by establishing PT Elnusa Drilling Services, engaged in integrated drilling services, and acquired PT Purna Bina Nusa, subsequently named as PT Elnusa Fabrikasi Konstruksi based in Batam.|
|2007||In order to be more focused as an integrated upstream oil & gas services provider, the Company merged four of its subsidiaries, namely: PT Elnusa Geosains, PT Elnusa Drilling Services, PT Sinar Riau Drillindo, serta PT Elnusa Workover Services.|
|2009-2010||The Company divested its shares in various companies that were not directly related to the Company’s core business to strengthen its footing in the oil & gas services industry.|
|2011-2012||The Company carried out the turnaround program to improve its overall performance as regards business aspect, operations, and corporate culture implementation.|
|2013||The Company proclaimed this year to be the “Year of Human Resources” and established PT Elnusa Trans Samudera (ETSA). The Company also redefined its vision & mission and reinforced its position as an Energy Services provider followed by a change of the Company’s logo.|
|2014||The Company strengthened operational level, organization, and internal control functions as well as evaluated and redefinined all product/ services of the Company. In addition the Company established PT Elnusa Geosains Indonesia and PT Elnusa Oilfield Services as part of company’s risk mitigation|