The aim of this study was to evaluate the effects on service quality commitment through the mediating role of organizational citizenship behavior in an integrated model and empirical study of its theoretical basis. This research is based on the goal of the research is applied. In this study, questionnaires were used to collect the information and the reliability of the questionnaire through Cronbach’s alpha was calculated and used questionnaires are “committed to working with the reliability of the questionnaire “0/766”, organizational citizenship behavior Podsakoff with the reliability “0/846”, SERVQUAL service quality questionnaire with reliability “0/960”the population used in this study consisted of 530 employees of the Standards and industrial Research of Iran. According to the results of research on the attitudes and role clarity can be positive as it will increase employee engagement and effective policies., But conflict is not and cannot communicate with a commitment to policies through political commitment to increase or decrease. Component examined five different dimensions of organizational citizenship behavior by Oregon, including propriety (courtesy), conscientiousness altruism, civic virtue, the chivalry people” as a positive influence on the quality of their services and can increase it.
