Abstract: This study was conducted to examine the Leadership Style of Supervisors and how it influenced on organisational commitment; special reference to the construction workers in the United Arab Emirates (UAE). UAE is a promising country in the region for infrastructure development and other industries of tourism, and real estate. Studies on Leadership styles showed that different kinds of leadership styles of the supervisors were having influence on job dissatisfaction, employee retention issues, reduced productivity, less commitment, and ultimately failure of the company.