This research aims to identify the mediation role of perceived organization support on the effect of intrinsic and extrinsic rewards on organizational commitment among the employees of pg. Madukismo yogyakarta. Information obtained from the results of this research can be used as reference for the company in deciding what kind of matters. As for the object of the research done at the PG. Madukismo Yogyakarta with the criteria of permanent employees who work for more than 5 years. Engineering data retrieval using proportional random sampling, data collection method survey method using a detailed questionnaire for 210 respondents. The data analyzed using Analysis of Moment Structure (AMOS) version of 22 with description and inferential using test of construct validity and collision reliability, multicoloniarity test, normality test, outliers test, good of fit test and hypothesis test. The results showed that the intrinsic reward has positive and significant effect against the perception organizational support, reward extrinsic has positive and significant effect has against the perception organizations support, the intrinsic reward has positive and insignificant effect on organizational commitment, reward extrinsic has positive and significant effect against the organizational commitment and organizational support of influential has positive perceptions towards organizational commitment. The perception of organizational support as a mediator of the intrinsic rewards of organizational commitment suggests mediation outcomes, and the perception of organizational support as a mediator of extrinsic rewards towards organizational commitment also shows the result of mediation.