The largest collision repair companies in the United States are Service King, Caliber Collision, and ABRA Auto Body & Glass. These companies have a wide network of locations across the country and offer comprehensive automotive repair services. With their skilled technicians and advanced facilities, they are able to handle a large volume of collision repairs. Service King operates over 300 locations, while both Caliber Collision and ABRA Auto Body & Glass have hundreds of locations nationwide. These companies are known for their commitment to providing high-quality repairs and exceptional customer service. They work closely with insurance companies to streamline the repair process and ensure customer satisfaction. With their industry expertise and extensive resources, Service King, Caliber Collision, and ABRA Auto Body & Glass have established themselves as leaders in the collision repair industry in the United States.