Impact of organizational culture on organizational citizenship behavior of social security employees of Tehran

In this research deliberation, The influence of organizational culture on OCB (Organizational Citizenship Behavior) Development has been studied as the aim. It is descriptive research and has benefited of Survey Method. The research instrument are organizational culture of steven robbins questionnaire's with 85% stability and research questionnaire made by OCB with 72%.The number of samples are 216 people of social security's employees of Tehran. That Have been selected in stratified proportional method. For data analysis were used descriptive and inferential statistical method like pearson correlation and structural equations, Findings from structural equations shows that organizational culture have most influence on organizational loyalty development. Moreover, the organizational culture has a positive impact on altruism development, work conscience, organizational participation, propriety And organizational compliance.