Roseco, Inc. is a Dallas-based wholesale supplier serving the jewelry trade since 1979. The company offers fine-quality gold and platinum jewelry mountings, including rings, earrings, bracelets, and pendants, alongside a broad selection of components and production materials. Its catalog includes ring shanks and bands, ear studs, earring components, bails, chains, clasps, settings, and other jewelry findings. Buyers can also source loose diamonds and stones, metals, solder, wire, grain, and alloy, as well as tools, equipment, supplies, and watch batteries.

Roseco organizes its products into categories and collections, with sections for new arrivals, best sellers, closeout items, and signature products. Its website provides customer account and ordering features, product favorites, invoices, credit information, and resources covering shipping, returns, pricing, and customer service. The company states that it has provided overnight shipping on its jewelry trade products since its founding. Roseco is based at Omega Road in Dallas, Texas, and supports organizations including Jewelers of America and the Manufacturing Jewelers and Suppliers of America.