Islamic Coalition Party led by Habibollah Asgaroladi (Conservative)

Islamic Society of Engineers led by Mohammad Reza Bahonar (Conservative)

Executives of Construction Party led by Gholamhossein Karbaschi (Centrist-Reformist)

Main Iranian Parties banned but tolerated inside the country:

(These parties are banned as they are accused of being spies and working against Islam, but their members have not been killed in large numbers.)

Islamic Iran Participation Front led by Mohsen Mirdamadi (main Reformist party)

National Confidence Party led by Mehdi Karrubi (Reformist)

Freedom Movement Party led by Ebrahim Yazdi (Reformist)

National Front of Iran led by Adib Boroumand (Nationalist)

Main Iranian Parties banned and persecuted inside the country:

(These parties are operating covertly inside Iran; their members have been killed in large numbers.)

Constitutionalist Party of Iran (Liberal-Democrat) led by Foad Pashaie (Close to the Prince Reza Pahlavi)

Organization of Iranian People's Fedaian (Majority) led by Behrouz Khaliq (Social Democrats)

People's Mojahedin Organization of Iran led by Maryam Rajavi (Religious Left)

Source: wikipedia.org