PT. Chandra Asri PetroChemical TPPI ( Tuban ) PT. Pertamina UP VI, Balongan Kaltim Pasifik Ammonia (KPA) PT. Pertamina UP II, Duma PT. Nusantara Regas PT. PetoChina Int’l Ltd Jabung PT. Chevron Pacific Indonesia HESS Pangkah PT. Indorama Synthetics Tbk ConocoPhilips (Grisik) PT. SDK, Subang PT. Linde – Cilegon PT. WASKITA KARYA BP. Tangguh PT. TitanPetrokimia Nusantara PT. Petro Oxo Nusantara PT. Styrindo Mono Indonesia (SMI) PT.Pertamina Cilacap Pertagas PT. Pupuk Kaltim PT. Pertamina EP Limau PT. Patra Badak Arun Solusi PT. Pertamina Hulu Energi
