Clare Tin Whistle: Traditional Irish instrument in the key of D.
House of Musical Traditions Whistle Catalog: Online ordering for whistles and other acoustic instruments. Specializes in exotic instruments.
Impempe Whistles: Offering aluminium penny whistles from South Africa.
Michael Burke Pennywhistle Company: Low and high whistles made from composite, aluminum, or brass.
Serpent Music: Aluminum and polymer tin whistles. Includes MP3s, fingering chart, and care information.
The Clarke Tinwhistle Company: Manufacturer of tinwhistles since 1843 offering whistles, tutor handbooks and CDs, and teaching sets.
The Pennywhistler's Press: New York whistle player, Irish flute and uilleann pipe player Bill Ochs offers performances, lessons, tin whistle book, CD and whistle kits. Includes downloads.
The Whistle Shop: Specializing in whistles and related items. Tutorial, tips, and hints for the tin whistle.