Entering today's competitive world, most businesses, especially small and medium-sized businesses, have been overwhelmed and frustrated by the monopoly structures of developing economies most of the time because of the recession and the sanctions of powerful countries, The intensity of this tension has increased several times. The need to focus on entrepreneurial orientation as a strategic principle will be a way to improve and develop these businesses effectively in the economies of societies, especially developing societies such as our own. The purpose of this research is designing a Total Interpretive/Structural Model for the Entrepreneurial Orientation of SEM Subsidiary Oil. In this qualitative and quantitative methodology, five university experts in the field of entrepreneurship participated in the meta-analysis and Delphi field to identify the research components and propositions from the same research and then to reach competence. The identified component theory and propositions were analyzed by Delphi analysis. In the quantitative part, with the participation of 25 managers of SMEs Subsidiary Oil and using matrix questionnaires, the identified propositions were stratified into a range of most influential propositions to the least effective ones. The Results in the qualitative analysis section of the existence of 3 main components based on 15 statements. Also showed results in the quantitative section; (X4) As Entrepreneurial Tendency Component Propositions at the Level of Information Technology Capabilities and Proposals to Change Traditional Warehousing (X7); Agile Production by Scale-Saving (X8); and Cost Control through Timely Evaluation of Machinery Depreciation (X9) Entrepreneurial at the competitive level The most influential causes in the oriented SMEs Subsidiary Oil Technologically are the entrepreneurial businesses.