- Arak Refinery Consortium
- Sazeh Consultants
- Petrochemical Industries Development Management Co.
- Mobin Petrochemical Co.
- Laleh Petrochemical Co.
- Arya Sasol Polymer Co.
- Kermanshah Polymer Co.
- Sugar Cane and by-Products Development Co.
- IranAir
- National Iranian Oil .
- Kosar Pharmaceutical Co.
- Various private sector clients
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