Customers
- Khangiran gas refinery
- Parsian Gas Refinery Company
- Sarkhoon And Qeshm Gas Refinary
- South Pars Gas Company
- Maroon Petrochemical Company
- East Oil and Gas Producation Company
- Khorasan Petrochemical Company
- Bidboland Gas Refinery Company
- Shiraz Petrochemical Company
- Ilam Gas Refinery Company
- Aghajari Oil and Gas Production Company
- 8 regional gas transmission operation
- 5 regional gas transmission operation
- Emam Khomeini Oil Refinery
- Bandar Abbas Oil Refinery Company
- Bandar Emam Petrochemical company
- Abadan Oil Refinery Company
- Lavan Oil Refinery Company
- Iran Northern Oil Pipelines and Telecommunications
- Waste Management Organization of Mashhad Municipality
- Mashhad Urban Railway corporation
