PT DHARMA DWITUNGGAL UTAMA’s parent company, i.e.  PT DWI TUNGGAL JAYA, was established in 1965 and engaged in the supply of stationary, survey and laboratory equipment to government institutions. A few years later a new business line was added : Sales, Installation and Maintenance of Electronic Radio Communication and Navigation  Equipment for Land and Marine use, while the stationary and laboratory equipment business was phased out.