The present study has conducted with the title of “an investigation to the effect of internal brand management on organizational citizenship behavior by considering the mediation role of job involvement and organizational identity (case study: Isfahan Snowa household Appliance Company)”. This study includes five hypotheses according to the research model(the effect of internal brand management on organizational identity, the effect of internal brand management on job involvement, the effect of internal brand management on organizational citizenship behavior, the effect of organizational identity on organizational citizenship behavior, the effect of job involvement on organizational citizenship behavior).The research is applied in terms of purpose and from the implementation viewpoint, it is a descriptive-survey one with correlation approach. Data collection was done through a questionnaire. The questionnaire was designed by the researcher and its validity was confirmed in the content method by the supervisor and also was confirmed through factor analysis and its reliability with Cronbach's alpha coefficient was in the approximate range of 0.7 to 0.9%, which is satisfactory. The statistical population of this study includes 234 employees of Isfahan Snowa Company. Attending the company, the questionnaire was filled by 234 employees of the company. To investigate the relationship between research variables, SPSS software and structural equations modeling have been used in Smart PLS software. The collected data were analyzed by statistical tests in two descriptive and inferential levels. Based on the results, all the research hypotheses were approved.
