The focus of this study was looking for an overview of compliance conformity for implementation emergency response system at PT X to prepared emergency response in the event of an emergency/disaster. This research is a qualitative descriptive study design that uses two types of data, primary data obtained through interviews and observations, and secondary data through document review. The purpose of this study to determine conformity of the implementation emergency response system in Oil and Gas Services Company PT X as per National Fire Protection Association 1600 (NFPA 1600) in 2012. This study resulted was the conformity of the emergency response system implementation based on NFPA 1600 in PT X was 36,23%, while unconformity proportion was 37,6%. PT X are expected to consider the advice had given based on results of this study to improve compliance to all elements requirements of NFPA 1600 in the company’s emergency response system.