Diamond Products is one of the largest manufacturer of diamond tools in the United States. We are headquartered in Elyria, Ohio which is located 30 miles West of Cleveland, Ohio. The company has grown from twelve employees in the early seventies to one with over 300 employees to date. The company started out in the mid forties manufacturing diamond bits for mining applications under the Pennsylvania Drilling Company name. The name changed to Diamond Products in 1964 when the company began focusing on diamond core bits and drilling machines for the construction industry. Since then, the company has expanded its product lines to include diamond blades, grinding tools, concrete saws and drill rigs for the construction and stone industry. Recently added are the Specialty Equipment and the Grooving, Grinding and Slot Cutting Equipment. Diamond Products markets its products through its sales force and a network of dealers and distributors in the United States, Canada, Mexico, Europe and Asia. In addition to offering its customers the widest selection of diamond tools and products in the industry, Diamond Products supports what it sells through its Customer Service, Technical Service and Import/Export Departments. Our Support Teams can react instantly to a customers needs.