Gannon & Scott specializes in precious metals refining, recovery, reclamation and recycling and services numerous industries with timely, transparent returns and superior customer service. Gannon & Scott is a global precious metals refiner located in Cranston, RI and Phoenix. AZ. As a trusted source for precision metals refining in the USA for over 100 years, our programs include: thermal reduction, milling, & blending, chemical processing, certified destruction, lab analysis, transportation services and more.