Building. Growing. Expanding. Trusted brands offering you more! Successful brands join the 3M global family. 3M Safety is proud to have these major brands as part of our safety products offering. The advanced engineering and technology inherent in these brands fit with the high standards of innovation and quality that you, our customers, come to expect from 3M. Browse our selection of 3M Safety Ear Protection and the newly added AO Safety Ear Protection below.