US Ring is a US-based manufacturer specializing in ring binder mechanisms. They cater to companies of all sizes and offer worldwide shipping. The company has in-house engineers with design capabilities and features brand names like Performore, Twistlok, Securemore, and others. US Ring's product offerings include ring metals, clips, lever arch binders, rivets, sheet protectors, CD storage solutions, adhesive products, loose leaf rings, sheet lifters, and screw posts. They provide a range of binder components and accessories for organizational needs.