Fire is the unwanted occurrence of fire. Preparedness in the face of catastrophic fire events is part of the Occupational Safety and Health (K3) standards that must be implemented in the company. PT X is a company engaged in concrete manufacturing. In the production process, many potential hazards, such as fires, can cause losses. This research aims to study the fire emergency response system at PT X. The method used is descriptive research, with data collection done cross-sectionally. The analysis was carried out descriptively by clearly and thoroughly describing the condition of the object of study and comparing it with the applicable regulatory standards. The results showed that PT X had implemented a fire emergency response system and efforts to prevent and overcome fire hazards. PT X's efforts include forming a firefighting team providing fire hazard management facilities such as fire extinguishers, fire blankets, first aid kits, evacuation stretchers, and other infrastructure facilities. PT X has conducted fire emergency response and first-aider training for employees and workers. This research concludes that PT X has implemented an emergency response system well and refers to the International Safety Rating System.