Summery of main approvals of PEDCO:
Main End users:
- National Iranian Oil Company (NIOC)
- Iranian Central Oil Fields Company (ICOFC)
- Iranian Offshore Oil Company (IOOC)
- National Iranian Oil Engineering company (NIOEC)
- National Company South Oil (NISOC)
- National Iranian Gas Company (NIGC)
- Pars Oil and Gas Company (POGC)
- National Petrochemical Company (NPC)
- Petroleum Engineering and Development Company (PEDEC)
- Iranian Gas Engineering and Development company (IGEDC)
- Isfahan Oil Refining
- Bandar Abbas Oil Refining
- Bandar Emam Petrochemical (BIPC)
Main EPC contractors:
- KPRC(Petro Palayesh Kangan)
- Aryasasol
- Farab
- Nardis
- Nargan
- ISOICO
- Petro Pars
- Mapna
- Tasisat Daryaei
- Chagalesh
- SADRA