HMI Phone & Contact Info Need help? Have questions? Want to find out about our training seminars? Just shoot us a message or give us a call! We’re here during normal business hours and more than happy to help you out. Toll Free: 1-800-626-2464 Email Us: info@mudpumps.com HMI Mailing 1025 E Albert Drive Manitowoc, WI 54220 Contact Us Complete this form, if you would like an HMI representative to contact you to answer whatever questions you may have. First Name*Last Name*Email Address* Phone Number*Your Message*Captcha