We first investigated the distribution of articles by journal type, year of publication, methodologies and research contexts. Based on citation network analysis, an objective approach to identify clusters of articles in the OHS literature, we found four major research domains of OHS issues, which are safety climate, management systems integration, voluntary OHS systems and sustainable operations.We first investigated the distribution of articles by journal type, year of publication, methodologies and research contexts. Based on citation network analysis, an objective approach to identify clusters of articles in the OHS literature, we found four major research domains of OHS issues, which are safety climate, management systems integration, voluntary OHS systems and sustainable operations.