Much has been said and written about the importance of teams to the success of the organizations and emphasis has been given to the benefits of team-building activities to achieving both team and organizational effectiveness. A lot of research describes attempts to move beyond team building and to link organizational development to team effectiveness in a coherent way. There is vast lliterature which addresses the topic on team effectiveness. The purpose of this paper is to investigate the team effectiveness factors which focus on the organizational contexts, team design and process variables, within a manufacturing company involved in cement industry. T he result indicates that these three independent variables are major contributors to the team effectiveness.