Dynapar is a world-leading manufacturer of optical and magnetic encoders and resolvers with more than 50 years of experience in engineering and manufacturing rotary feedback devices. Dynapar was founded in Gurnee, Illinois in 1955 and has been expanded through the acquisitions to include Dynapar(TM), Hengstler(TM), NorthStar(TM), Harowe(TM), and Encoder Technology LLC brand product lines. Dynapar is now uniquely a provider of technologies spanning optical, magnetic, and resolver based feedback. Pioneering the first true vector-duty hollow-shaft encoder launched Dynapar's strong presence in several industries, including steel, paper, elevator, oil and gas, wind energy, medical, material handling, and industrial servo manufacturers. From small kit encoders to large mill-duty tachometers, Dynapar has the industry covered.