Willow Tool & Machining Ltd Willow Tool & Machining, LTD was established in 1972 and manufactures special tooling from 15110 in Strongsville, Ohio. Our mission is to provide our customers with tooling services that offer outstanding quality and innovative ideas engineered to specific requirements, at a competitive price. Our emphasis on customer service has helped us earn a well deserved worth with' reputation. Process engineering can be provided to develop the most economical and practical way to machine your materials with the greatest efficiency possible ; while maintaining consistent quality.