HMI is not the only company that manufactures concrete raising equipment, but we ARE the only one with over 45 years of experience as a contractor that will offer you more than just equipment or material, to support, and help you succeed. With proven success, HMI has helped thousands of people be successful lifting concrete. HMI does not sell franchises, collect royalties or tell you where to work. However, we do everything we can to share with you over 45 years over of experience as a contractor to help you succeed.