example, Thailand Quality Award (TQA) has been well established and driven to overall management. TQA serves as a symbol of quality [1-5].
The development of criteria and assessment scoring system has been well investigated and implemented [6- 13]. For example, a validated process of TQM related to Malcolm Baldrige National Quality Award (MBNQA) has been well implemented [8-9, 14]. However, there is no report in the wholesale sector. Overall improvement in this sector is a challenging topic. It depends on experience-based business without new technology, lack of knowledge/knowhow transferring and independent management without cluster group. The objective of this investigation is to compare the nature of wholesale sectors in Thailand and to implement the self assessment evaluation to wholesale sectors after setting the improvement program.