Duncan Tool, Inc. is a full-service machine shop, specializing in designing and building tooling, machinery, and equipment to suit each customer's specific need and application. Located in Tipp City, Ohio, Duncan Tool, serves many industries in Dayton, Ohio, and throughout the world. Our services include tooling and equipment, custom machining, gages, stamping dies, and assembly. Duncan Tool, has the experience and know-how to be a valuable partner in the success of tooling, machinery and equipment projects.