Axens, IFP Group Technologies
In Crude Oil Refinery and Petrochemical Projects (as Technology Provider/ Licensor)

Basell Polyolefins (Currently Lyondellbasell)
In Petrochemical Projects (as Technology Provider/ Licensor)

BP
In Petrochemical Projects (as Technology Provider/ Licensor)

Chiyoda Corporation
In Crude Oil Refinery Projects (as Engineer Consultant)

Didier Engineering
In Petrochemical Projects (as Engineer Consultant)

Eurotecnica
In Petrochemical Projects (as Engineer Consultant)

Foster Wheeler
In Oil/ Gas Field Development Projects (as Engineer Consultant)

Haldor Topsøe
In Petrochemical Projects (as Technology Provider/ Licensor)

Iran Pan-American Oil Co. (IPAC; Iran & USA JV)
In Crude Oil Refinery Projects (as Engineer Consultant)

John Brown Deutsche Engineering
In Crude Oil Refinery, Gas Treatment Facilities and Petrochemical Projects (as Engineer Consultant)

KBC Process Technology
In Crude Oil Refinery Projects (as Technology Provider and Engineer Consultant)

Kinetics Technology (KT; formerly Technip KTI)
In Crude Oil Refinery Projects (as Technology Provider and Engineer Consultant)

Klöckner Stadler Hurter (KSH)
In Chemical Products Projects (as Engineer Consultant)
 
Linde Group
In Gas Industries and Petrochemical Projects (as Technology Provider and Engineer Consultant)
 
Lurgi (Currently Air Liquide)
In Gas Industries and Petrochemical Projects (as Technology Provider and Engineer Consultant)
 
NEXAN
In Crude Oil Refinery, Gas Treatment Facilities and Petrochemical Projects (as Engineer Consultant)
 
Prosernat, IFP Group Technologies
In Crude Oil Refinery and Gas Treatment Facilities Projects (as Technology Provider/ Licensor)
 
Rollechim Impianti
In Petrochemical Projects (as Engineer Consultant)
 
Snamprogetti (ENI)
In Crude Oil Refinery Projects (as Engineer Consultant)
 
Société Irano-Italienne des Pétroles (SIRIP; Iran & Italy JV)
In Field Development Projects (as Engineer Consultant)
 
Société Française de Pétroles d’Iran (SOFIRAN; Iran & France JV)
In Field Development Projects (as Engineer Consultant)
 
Stamicarbon
In Petrochemical [Fertiliser] Projects (as Technology Provider and Engineer Consultant)
 
Technip (Benelux, France, Italy, Germany, etc.)
In Petrochemical & LNG Projects (as Technology Provider and Engineer Consultant)
 
Tecnimont
In Gas Treatment Facilities and Petrochemical Projects (as Engineer Consultant and EPC Contractor)
 
The Shawinigan Engineering
In Power Plant and Electrical Transmission Projects (as Engineer Consultant)
 
TOTAL
In Field Development and Gas Treatment Facilities Projects (as Engineer Consultant)
 
Towlid Rowghan Refining Co. (Iran & USA JV)
In Crude Oil Refinery Projects (as Engineer Consultant)
 
Uhde (Currently ThyssenKrupp Industrial Solution)
In Gas Treatment Facilities and Petrochemical Projects (as Technology Provider and Engineer Consultant)
 
Versalis (ENI; Formerly Polimeri Europa)
In Petrochemical & Polymers Projects (as Technology Provider/ Licensor)