Welcome to the Extrusion Tooling Solutions Group (ETSG). ETSG is comprised of Exco, Exco USA and Alu’die, divisions of EXCO Technologies Limited. Our Success Depends on the Success of our Customers. This has been the philosophy of ETSG since its inception over half a century ago. By never straying from this basic credo, ETSG has become North America’s largest supplier of extrusion dies, and a major force in the extrusion industry. The continued excellence of ETSG’s production procedures assure the world class quality of its dies and is confirmed by the fact that ETSG has ISO 9001 registration.