Since 1968, Minnich Manufacturing has operated with the mission of producing high-quality products that are safe and cost-effective for concrete and utility contractors. Minnich Manufacturing is an industry leader in the production of dowel pin drills, concrete paving vibrators, vibrator monitoring systems, and custom-made special application drills. Based in Mansfield, Ohio, Minnich Manufacturing offers optimum service and technical support through a global network of distributors.