EPTCO was founded in February 14, 1986, initially stand for PT EPTCO Purindo Tama, as general maintenance contractor for Pertamina Oil refinery.

After 17 years of experience and to face global challenge, EPTCO expanding its business by establishing PT EPTCO Dian Persada. Engineering, Procurement Transportation, Construction and Operation is the key service of PT Eptco Dian Persada.

Under the Eptcogroup management, Eptco spread its wing in hospitality industry. Grand Trisula - a three star hotel , located in Indramayu now become one of the luxurious hotel in town.

Now EPTCO continuously reenergized its working process and commencing large scale for both domestic and overseas project. Several project involved big and renowned clients, such as: JGC (Japanese Gas and Oil Corporation) & KBR (Kellogg Brown & Root) in Tangguh LNG construction project, Eni Saipem in Karimun Shipyard construction project, BP (British Petroleum) in Camp Refurbishment project at Tangguh LNG Papua, and M.S.W. in Coal Fired Power Plant project at Tanjung Tabalong Kalimantan, and JGC (Japanese Gas and Oil Corporation) in the Donggi Senoro LNG project located at Uso village, Batui district, Banggai regency in Central Sulawesi.