Founded in Malaysia, PROTON Holdings Berhad (PHB), also known as PROTON, is a company involved in the design, manufacture, promotion, and retailing of vehicles. In Bahasa Malaysia, "PROTON" is an acronym for "Perusahaan Otomobil Nasional" (National Automobile Company). This study report may provide readers with additional information on the topic. The study includes a comprehensive examination of 172 publications collected between 1946 and 2025. This essay will focus on the findings of significant writers, publications, nations/regions, and fields of study. This article also attempted to discover many themes that evolved and evolved during the active years through the use of co-citation and co-occurrence networks. Because of the growing number of research articles and the widespread adoption of procurement in automobile industry in many countries, bibliometric analysis must be used to provide a comprehensive set of data that can help researchers find the most relevant work to date. This can be achieved by utilizing the VOS Viewer and Biblioshiny tools to explore different facets of the procurement in automobile industry research topic and discover potential future study directions.