Iran's government wants the world to know that its economy is open to foreign business investments.
Interest in Iran started to grow after the June election of President Hassan Rouhani and the November six-month interim nuclear deal between Iran and the international community.
The country's economy started to fail in 2010 and concerns over Iran's nuclear program increased international sanctions from the EU and US.
But companies are now looking to reclaim what they left behind.
Al Jazeera's Soraya Lennie has more from Tehran.
