Total Quality Management (TQM) in construction focuses on a comprehensive philosophy and methods aimed at complete customer satisfaction through continuous improvement, emphasizing the importance of quality amidst increasing competition. Management is categorized into three levels: top, middle, and lower, with various theories influencing management practices including classical, behavioral, human relations, system, quantitative, and contingency theories. TQM incorporates the open system theory, stressing the importance of customer feedback and internal processes to enhance organizational effectiveness while encouraging measurement of satisfaction in multiple areas.