Customized diatonic harmonicas made by Joe Filisko, Richard Sleigh, and James Gordon, using the "Filisko Method" of upgrading harmonicas.

List of manufacturers, with addresses and email, including companies without web sites. Provided by Harmonica Information Press.

Manufacturers and designers of the first production electric harmonica.

Product information, and distributer list. Located in Washington, United States.

Custom made professional Harmonicas. Highly responsive modified Marine bands featuring radical reed modifications and improved air flow. As played by Australia's Jim Conway.

Mark Lavoie produces custom harmonicas using laser cut titanium and vermont maple wood harmonica combs. Bristol, Vermont, United States.

Custom crafted instruments. Las Vegas, Nevada, United States.