Welding have several potential to cause work accidents. Therefore, it is necessary to prevent work accident, one of them through safety culture. Safety culture is made up of three factors: psychological factors, job factors, and situational factors. The purpose of this study is to analyze safety culture based on the factors of safety culture in welders in shipyard company. This research was an observational research using crosssectional design. The variables were safety climate, safety behavior, and safety culture. The results showed that most respondents had a very good perception of OSH and the safety climate profile was in a good category, most respondents had good safety behavior and safety behavior profile was in a good category. In addition, most respondents had a very good safety culture and profile of safety culture was 74,89% and in a good category. Based on these results, it is expected to develop the safety culture and make some efforts to improve the safety behavior of welder. The management of this shipyard company may take action to perform an analysis of safety culture level as a form of oversight of the existing safety culture.