Metalor USA Refining Corporation is a part of the Metalor Group, which is based in Switzerland and operates various subsidiaries in more than 15 countries worldwide. It specializes in evaluation and refining of precious metals of primary and secondary origin. The company refines a range of materials that include precious metals, such as mining dor , industrial scraps and dishoarded bars. It provides gold, silver, platinum and palladium bars in a variety of sizes. In addition, the company s capabilities include homogenization, sampling, analyses, refining and production. Metalor USA Refining Corporation is located in North Attleboro, Mass.