Group 31 Incorporated

31 Incorporated is a global manufacturer of professional tire repair materials, TPMS products, and wheel service supplies. Through our trusted brands, XtraSeal and Smart Sensor, we serve tire professionals, distributors, and industry partners worldwide. For over 60 years, we have remained committed to delivering reliable products, consistent quality, and responsive support to the automotive aftermarket. Headquartered in Newcomerstown, Ohio, with additional manufacturing in Zhejiang, China, 31 Inc. combines American manufacturing expertise with global capability. This structure enables us to maintain strict quality standards while meeting the needs of customers across international markets. Quality is the foundation of everything we do. Our processes are certified to ISO 9001:2015, with oversight from raw materials through final inspection to ensure safe, consistent, and dependable performance in the field. We believe strong partnerships drive long-term success. Our customers have direct access to knowledgeable team members who understand the products, the industry, and the importance of dependable service. From technical support to order fulfillment, we focus on being responsive, accessible, and easy to work with. Training and education are central to our mission. We provide hands-on instruction, technical resources, and product training to support proper tire repair practices and industry standards. We are proud to support the future of the industry through active involvement in organizations such as the Tire Industry Association (TIA) and the Tread Rubber and Repair Materials Group (TRMG). At 31 Incorporated, Our Focus Is Simple Build Products Professionals Trust Support Customers with Integrity Continue Moving the Industry Forward