This Study seeks to analyze the influence of Organizational Citizenship Behavior on Logistics companies in Chennai. The sample chosen for this research is 96 employees. In organizational psychology, organizational citizenship behavior (OCB) is a person's volunteer commitment within an organization or a company that is not a factor in the employees' contractual tasks. This Study has been undertaken to assess the overall influence of organizational citizenship behavior on individuals and the organization. The research findings proclaimed the Organization's Citizenship Behavior of employees. In addition, the research exhibited a positive and significant impact of Organizational Citizenship Behavior on Service Quality performances. Next, five indicators created the Organizational Citizenship Behavior variable: altruism, civic virtue, courtesy, sportsmanship, and conscientiousness.