This study is an attempt to examine whether leadership styles (transformational and transactional) have any effect on the commitment of employees, working in PESCO. The current study also examined the facilitating role of job stress in connection amid employees' commitment and leadership styles that whether the job stress affects this relationship or otherwise. A stratified random sampling technique was used to select the respondent of the research study. The primary data were collected by using questionnaire. The significance level (p < .05) was used to accept and reject the hypotheses. The results acclaim that the development in the perceived level of leadership style used by the leaders can affect the commitment level among the employees. The leadership style of the leaders is expected to mark not only the commitment level of the workforces but also the performance of the organization. Similarly, job stress fully mediated the relationships between leadership styles and employees performance.