This study aims to determine (1) the influence of Affective Commitment to Organizational Citizenship Behavior, (2) the influence of Emotional Intelligence on Organizational Citizenship Behavior, (3) the influence of Organizational Support on Organizational Citizenship Behavior, and (4) the influence jointly of Affective Commitment, Emotional Intelligence and Organizational Support to Organizational Citizenship Behavior.
The type of research used is quantitative research. The population in this study is a permanent employee of the Office of Industry and Trade of the Special Region of Yogyakarta which amounts to 68 people. The sample of this study because less than 100 then 68 permanent employees were involved all. Data collection method using questionnaire using Total Sampling technique. This study 
used data quality test, classic assumption test (normality test, heterocysticity test and multicollinierity test), multiple linear regression analysis and hypothesis test.
The results of this study showed that Affective Commitment Variables have no effect on Organizational Citizenship Behavior Variables. Emotional Intelligence Variables have a positive and significant effect on Organizational Citizenship Behavior. Organizational Support Variables have a positive and 
significant effect on Organizational Citizenship Behavior. Variable Affective Commitment, Emotional Intelligence and Organizational Support together or simultaneously affect Organizational Citizenship Behavior.