Political alliances at the onset of the Iranian presidential election

A rundown of the political alliances shaping up for the 2013 presidential election in Iran (per Wikipedia):

Conservatives: 

Cabinet Alliance 

Mahmoud Ahmadinejad stated he will not endorse anyone or interfere in the election to chose his successor, however the cabinet alliance, a group of his close allies and trusted cabinet members will announced their candidate to run for presidency on 11 May 2013:

Esfandiar Rahim Mashaei
Gholam-Hossein Elham
Mohammad-Reza Rahimi
Mojtaba Samareh Hashemi
Ali Nikzad
Hamid Baqai
Hamid-Reza Haji Babaee

Progression Alliance 

The following three candidates also known as 2+1 formed a coalition between themselves that one of the three will register for the election and the remaining two will support him. This coalition consists of:

Ali Akbar Velayati
Mohammad Bagher Ghalibaf
Gholamali Haddad-Adel

Front of Islamic Revolution Stability 

This political group was founded by former Ahmadinejad ministers and supporters who believe in his election message but they are not supporting his actions anymore. For the following election, their main candidates are among Kamran Bagheri Lankarani, Saeed Jalili and Parviz Fattah. Kamran Bagheri Lankarani was elected as their candidate on 20 April 2013.

Conservatives Majority Alliance 

The following announced candidates will also chose one with the most popularity to officially register for the election:

Mohammad-Hassan Aboutorabi Fard
Mohammad Reza Bahonar
Yahya Ale Eshaq
Manouchehr Mottaki
Mostafa Pourmohammadi

United Front of Conservatives

The main candidate will be elected by a majority vote of the congress on 10 May 2013:

Ali Larijani
Alireza Zakani

Combatant Clergy Association

The party will support one of the two candidates below(or possibly Akbar Hashemi Rafsanjani, should he run):

Mostafa Pourmohammadi
Mohammad-Hassan Aboutorabi Fard

Reformists:

Democracy Party 

On 15 January 2013, Democracy party elected their party leader, Mostafa Kavakebian as their sole candidate for the upcoming election. Kavakebian also said that he will withdraw if Mohammad Khatami announced his candidacy.

House of Labours 

The party elected Hossein Kamali as their candidate on 22 November 2012.

Executives of Construction Party 

After Mohammad-Ali Najafi announced he will not entered to the elections, party supported Hassan Rouhani as their main candidate on 28 April 2013,

Association of Combatant Clerics 

The party will support Mohammad Khatami if he enters the elections, if not, one of the following candidates will be getting the party's support:

Hassan Rouhani
Mohammad-Reza Aref
Mostafa Mohaghegh Damad
Islamic Iran Participation Front 
Mohammad-Reza Aref
Mohsen Mehralizadeh

National Trust Party

The party will support from one of the two candidates:

Eshaq Jahangiri
Bijan Namdar Zangeneh

Dark horses 

In addition to these groupings, four of the candidates are seen as dark horses, namely Mohammad Baqer Qalibaf, Mohsen Rezai, Mostafa Pourmohammadi and Mohammad Saeedikia.