The study is an attempt to investigate differences among four forces of Punjab police including Elite Force, Traffic Police, Thana police and Punjab Highway Patrolling in terms of organizational police stress, operational police stress and personality traits. Organizational police stress questionnaire (McCreary & Thompson, 2006), Operational Police Stress Questionnaire (McCreary & Thompson, 2006), and International Personality for Item Pool Goldberg (1999) were administered to collect data from police. Sample was drawn from five ranks of police officers including constables, head constables, assistant sub inspectors, sub inspectors and inspectors of four major forces of Punjab. 825 police officers from all 36 districts of Punjab police participated in this study. ANOVA was run through SPSS to analyze mean differences. Results indicated significant major differences among all four forces in terms of their personality traits and stress levels. The study has significant implications for all the forces of the Punjab police. Keywords: Personality Traits, Organizational Stress, Operational Stress, Punjab Police.