Emtech Laboratories, Inc.Emtech is a dependable source for earmolds, noise and ear protectors, accessories and supplies.
http://www.emtech-labs.com/
Microsonic Inc.Microsonic is widely recognized as one of the world's leading full service earmold laboratories.
http://www.earmolds.com/
Precision Laboratories, Inc.Manufacturer of custom earmolds for hearing aids, and protection, monitors and communications for race teams and law enforcement departments.
http://www.precisionweb.com/
Westone Labs, Inc.Supplies earmolds and accessories for hearing health care professionals. Manufacturers custom fit hearing protection devices.
http://www.westone.com/