Many people associate Industry and Engineering Corporation (IEC) with engineering and construction of major civil and environmental projects involving the most advanced civil works in Middle East. As a Corporation, IEC has seven affiliated very large and experienced companies, (Mihansaz, Karadeniz, Rio, Ave, Sazehaye, Abi, Rahsara), working together to create the most capable organization proudly fulfilling most of the clients requirements.
On Saturday 02-03-1997 , for construction of Baharestan Metro station and Tunnel N2O2 a contract signed between IEC's afiliated company, Mihansaz (Dr N. Y. Rouzegari Managing Director and Dr. F. M. Kalantari) and Tehran Metro Compan, . (Mr. Mohsen Hashemi Managing Director and Chairman of Board and Mr. Masood Ahmadi).