Contact Harmon Required fields are marked with * Your Name* Please let us know your name. Your Email* Please let us know your email address. Message Please let us know your message. This email address is being protected from spambots. You need JavaScript enabled to view it. Harmon Mute Company C/O Mutec, Inc. P.O. Box 56650 Chicago, IL 60656 Fax: (847) 972-1776