Collars manufacturing is a specialized industry within the broader category of orthopedic, prosthetic, and surgical appliances and supplies manufacturing. Companies in this industry produce a variety of collars that are used for medical purposes, such as neck braces, cervical collars, and other orthopedic devices. These collars are designed to provide support and immobilization to the neck and spine, helping to prevent further injury or damage. The manufacturing process for collars involves the use of specialized materials and equipment, as well as skilled technicians who are trained in the production of these medical devices.