Clients
- National Iranian South Oil Company (NISOC)
- Iranian Offshore Oil Company (IOOC)
- South Pars Gas Company (SPGC)
- East oil and Gas Production company (EOGPC)
- West oil and Gas Production company (WOGPC)
- South Zagros Oil and Gas Production Company (SZOGPC)
- Arvandan Oil & Gas Company (AOGC)
- Iranian Oil Pipeline Transfer Company (IOPTC)
- Tehran Oil Refining Company
- Shazand Oil Refinery
- Kermanshah Oil Refining Company
- Isfahan Oil Refinery
- Abadan Oil Refining Company
- Lavan Oil Refining Company
- Bandar Abbas Oil Refining company
- Persian Gulf Star Oil Company
- Tabriz Oil Refining Company
- Jam Petrochemical Company
- Kavian Petrochemical Company
- Aryasasol Polymer Company
- Amirkabir Petrochemical Company
- Marun Petrochemical Complex
- Bandar Imam Petrochemical Company
- Shazand Petrochemical Complex
- Tabriz Petrochemical Company
- Morvarid Petrochemical Company
- Shahid Tondguyan Petrochemical Company
- Persian Gulf Fajr Energy Company
- Mazandaran Wood & Paper Industries
- Sunich (Alifard) Company