Cooperation with internationally recognized companies
During execution of its mega-size projects, Perlite had extensive cooperation with worldly known companies and consultant engineers mentioned in the following table:
| Project | Company | Country |
| Masjid-e-Soleiman Dam | Daelim | South Korea |
| SATO | Japan | |
| Water Intake (South Pars phase 12) | Daelim | South Korea |
| Bandar Abbas Oil Refinery | Chiyoda | Japan |
| Snamprogetti | Italy | |
| Shahid Rajaei Dam | Posch &Partners | Austria |
| Seymareh Dam | Coyne et Bellier | France |
| Stucky | Switzerland | |
| Liebherr | Germany | |
| Hugenberger | Switzerland | |
| Temson | Turkey | |
| Iran Mall | NORR Eng. Co. | Canada |
| Karuma HEPP | SNC Lavalin | Canada |
These companies have admired perlite’s performance and quality of workmanship in the abovementioned projects, in particular with regard to innovations during the operations.
