Manufactured and Assembled in the USA. Reliable & Dependable. The TorsionX manufacturer is ISO9001 Certified. This certification sets out the criteria for a quality management system and is the only standard in the 9000 family that can be certified. This standard is based on a number of quality management principles including a strong customer focus, motivation and implication of top management, process approach and continual improvement. Adherence to these standards ensures consistent, quality products and services for our customers.