Pertamina Hulu Energi

PT Aroma Operations Services (AOS) was established in 1989 pursuant to Deed No. 245 dated 17 November 1989. AOS is a subsidiary of PT Pertamina (Persero), established to support the operations of a petrochemical refinery in Cilacap, Central Java. AOS changed its name to PT Pertahulu Energy in 2002 and subsequently to PT Pertamina Hulu Energi (PHE) in 2007. The name change was approved through Deed No. 5 dated 4 August 2008, in accordance with Law No. 22 of 2001 on Oil and Gas.

In 2022, Pertamina Hulu Energi entrusted Rifyo Indonesia with furnishing its office space with Herman Miller chairs and Shaw Carpets and Vinyls, covering an area of 996 square meters in the TB Simatupang area, South Jakarta, to create a more modern and comfortable workspace.