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