The purpose of the current research was to investigate the factors affecting the stable employment of cooperative and private companies in Nahavand Township and to compare these factors among private and cooperative companies. The research, in terms of its nature and method, was a descriptive-survey, and in terms of its aim, was applied. The population of this research included 250 private and cooperative companies in Nahavand, in which the sample size has been drawn, using Morgan Table, 148 cooperative and private companies have been selected, using stratified sampling. The validity was assessed by using faculty members and its constancy was determined through Cronbach’ s alpha 0. 762. Regarding the normal distribution of statistical sampling, the hypotheses of the research were examined by the use of SPSS software and One-sample Student t-test. The result showed that the factors such as bank facilities, members’ contributed share, banking regulation, investor attraction, teaching and teaching courses, teamwork etiquette, government’ s support and supervision, the promised job, attendance at fairs and utilizing technology have had the most profound effect on stable employment across the Township of Nahavand. The comparison between the two categories of companies using independent t test showed that effect of investor attraction in private companies was more than cooperative companies and the effect of banking regulation at private companies was less than the cooperative companies.