Abstract: This study proposes the systematic method by using the Analytic hierarchy process (AHP) to deal with the rational multi decision making on various assessment factors for technological innovation capabilities of Thai automotive part firms. Based on pair wise comparison, an expert group provided the perception of the important relative weight data towards these assessment factors. The results presented this proposed model is one of the effective methods to help managements to easily analyze what is the most influence criteria impact on firms’ capabilities and what criteria should be firstly improved. Also last section highlighted this model application on Thai automotive part firms as case study. The comparison outcome may provide the industrial managements for their TICs assessment developments and the insight of others in the same market.