At Diamond Chain Company, the calling to design and manufacture the world's highest-performing roller chain is greatly pursued every day by teams of passionate technical experts who have made your success their life's work. It's that intensity of focus that some of the world's greatest inventors trusted to provide the drive chains they needed to transform the world. From the Wright Brothers to Henry Ford to the global industrial leaders of our time, Diamond^® chain is the most trusted roller chain to perform when it matters most. That legacy continues today as Diamond Chain Company meets the needs of the world's most demanding power transmission applications.