E.A.R. Inc.: Presents a broad line of hearing protection products including a range of passive and active ear plugs.
EarPlugsOnline.com: Offers NRR 34 rated reusable ear plugs that block out water as well as sound.
Electronic Shooters Protection: Provides custom, in-the-ear hearing protection for shooters, instructors, hunters, and outdoorsmen. Permits hearing the safe range of sounds but not damaging noise.
Hearos: Ear filters and guards for noise, water and wind protection.
Industrial Health: Industrial Health provides OSHA audiometry (hearing testing), respirator clearance evaluation, and respirator fit testing (US).
Jaco Enterprises: Offers a neoprene ear cover as well as moldable plugs to help prevent swimmers ear.
Silencio/Safety Direct, Inc.: Silencio and Rig products featuring hearing protection and safety glasses.