Hardiness is a personality trait that makes individuals stronger, more stable and optimistic in dealing with stress and reduces the negative effects of difficult situations. The purpose of this study is to examine the moderation effect of hardiness on the relationship between job insecurity, perceived organizational support, and organizational justice to organizational commitment. Using data from 338 respondents from six printing industry company, the results showed that job insecurity and perceived organizational support significantly affect organizational commitment, on other hand, organizational commitment was found not influenced by organizational justice. It also found that hardiness significantly moderating job insecurity, perceived organizational, and organizational justice on organizational commitment. This study contributes to further understanding of the role of hardiness in employee’s commitment whose companies are facing the challenge of reducing business scale and to managerial of printing industry in order to maintain their employee’s organizational commitment better in the business that experiencing a decline. Practical suggestions are provided for managers or organizations who wish to increase employee commitment, and avenues for future research derived from the study’s limitations, findings and focus are proposed.