On the basis of latest documented data, three banks were introduced as most respondent organizations in Iran’s banking system. Karafarin Bank stands in third place according to the latest report. The bank has responded all of the received requests through Iranfoia’s website. Iranfoia is the national portal of the Commission of Information Release and Free Access which operates under rules and supervisions of ministry of culture and Islamic Guidance. According to the law, citizens can ask for information and the state and private organizations answer by permitted data. The Average time to be responded in Karafarin Bank was 4 days. Iran Zamin Bank and Refah Bank stand at the first and second place. The Average for these two were in turn one and three days.