The research aims to identify the role determined by the dimensions of marketing in the relationship represented by (trust in the relationship, commitment to the relationship, communication during the relationship) in how to contribute to the success of the industrial project management in Iraq as a case study in the General Directorate of Industrial Development. Their number is (50) workers, where the research problem centered on knowing the impact and importance of relationship marketing on the success of industrial project management. The descriptive analytical approach. Using SPSS and Amos, the researcher tested and analysed hypotheses about the relationship and the influence between the research variables through a questionnaire . Testing and assessing the hypotheses used in the research yielded a set of findings. As a result of the investigation, some recommendations were made, including the General Directorate of Industrial Development, to promote and develop the use of the term marketing as a modern concept that helps achieve customer satisfaction with the outputs of industrial projects .