Doppler Gear has over 50 years of experience in custom gear manufacturing Our four manufacturing facilities in the upper Mid-West United States of America serve the component needs of domestic and international corporations. Large organizations rely on us to provide competitively priced parts with uncompromised quality. Small companies and individuals look to us to support their projects with technical expertise and thousands of stocked standard tools. We understand that your requirements include quality, delivery, support, and competitive pricing. Our mission is to provide the right combination of these attributes to meet the specific needs of each customer.