The Ministry of Energy was established in 1975, though its roots can be traced back to 1964, when the Ministry of Water and Electricity was formed.
- Ministry of Energy
- Ministry of Energy: Energy Information Center
- Ministry of Energy: Water & Wastewater Engineering (Persian)
- Iran Water Resources Management Corporation
- National Water and Waste Water Eng. Co.
- Niroo Research Institute
- SATKAB Company
- TAVANIR Company
- Water and Waste Water Engineering Corporation
- Water Research Institute