NTR Metals and Ohio Precious Metals have merged to create a company that will sell about 10% of the world's recycled gold.

The two companies will continue to operate separately, but under a newly formed parent company called Global Metals Holdings LLC, the Wall Street Journal reported.

Dallas-based NTR Metals and Jackson, Ohio-based Ohio Precious Metals collect scrap and old jewelry from electronic manufacturers, dentists and pawn shops. The companies then smelter the materials to get pure metals and mint them into bullion or coins for banks and other buyers, the newspaper said. The compani...