The abrasives industry is a vast and unsung hero in manufacturing providing the critical enabling technology for many businesses. Companies in the abrasives industry provide not only the products but the technology that allows others t shape, finish, and clean countless parts for manufacturing. From the massive machine tool that grind rolls for the steel industry to the hand-held tools used by dentists, abrasives are used in thousands of ways. The raw materials for abrasives range for walnut shells to diamond. Abrasive products can be found in the finishing industry supporting cleaning and deburring operations as well as preparation for plating and painting applications. In the machining industry, abrasives in bonded, coated and loose forms shape and finish parts made from every conceivable material used to make industrial and consumer products. The blast cleaning and peening industries rely upon hundred of abrasive products to prepare and maintain bridges, steel structures, aircraft and ships. The following is some of the companies that produce abrasive products which include grinding wheels, coated abrasives, hones, diamond tools and accessories, grinding machine tools, and related supplies and equipment.