The purpose of this study is to propose a model for entrepreneurship development within the National Iranian Oil Refining and Distribution Company, with a focus on preventing environmental harm. From a purpose standpoint, this research is applied-developmental, and from a paradigmatic perspective, it adopts pragmatism. The study employed thematic analysis techniques to develop and validate a model for "Entrepreneurship Development in the National Iranian Oil Refining and Distribution Company with an Approach to Preventing Environmental Harm." The research population consisted of senior managers from the Environmental Protection Agency, consultants of the National Iranian Oil Refining and Distribution Company, and academic experts in the field of entrepreneurship, totaling approximately 12 individuals based on an initial assessment. Given the qualitative approach, the "snowball sampling" method was utilized. Data were collected through interviews. In the first (qualitative) phase, the identification of main and sub-themes to design the entrepreneurship development model with an emphasis on preventing environmental harm was conducted using thematic analysis with the Maxqda 2020 software. Based on the findings, the main themes identified include Green Entrepreneurial Culture and Climate, Development of Green Entrepreneurial Structures and Processes, Managerial Factors, Environmental Factors, Development of Green Entrepreneurial Opportunities, Entrepreneurial Human Resources, and Green Entrepreneurship Development.