This article is from the Concertina FAQ, by Chris Timson firstname.lastname@example.org with numerous contributions by others.
This list is not exhaustive and I would welcome further information.
Barleycorn Concertinas Carries a very good range of second Chris Algar hand concertinas, and also sells 67 Little Chell Lane new Button Box and other concertinas. Tunstall Has a reputation second to none. Stoke on Trent WWW pages at:- ST6 6LZ http://www.concertina.co.uk England Phone 01782 851449 E-mail email@example.com The Button Box Dealers in new and 9 East Pleasant Street second-hand instruments. Amherst MA 01002 Particular interest in duets. USA Good people. (Also see section 8). Phone (413) 549-0171 WWW pages at:- E-mail firstname.lastname@example.org http://www.buttonbox.com Concertina Connection Probably the only dealer in the Wim Wakker Netherlands. Also publish many reprints Jan de Withof 15 from the Victorian repertoire, do 5709 AM Helmond repair work and are involved in Netherlands education and many other pies. See Phone +31 492 513611 section 10 for more details. Email email@example.com Hobgoblin Music Probably the biggest dealer in new 17 The Parade and second-hand concertinas in the Northgate UK. Own brand Gremlin concertinas Crawley mostly contain Stagi-made reed-pans, West Sussex RH10 2DT though some anglos are made by A. C. England Norman using Antonelli accordion Phone 01293 515858 reeds, and are significantly better. E-mail firstname.lastname@example.org Also has several shops across England and in Minnesota in the US. WWW for both UK and US at:- http://www.hobgoblin.com/ Homewood Musical Instrument Co Sells a good range of concertinas, 3027 Central Avenue including Stagi concertinas and a Birmingham surprising number of fine English- Alabama made instruments. The Stagis are USA frequently substantially rebuilt and Phone (205) 879-4868 improved. Bob Tedrow who owns the E-mail email@example.com store teaches concertina and has his own WWW page at:- http://hmi.homewood.net House of Musical Traditions As well as buying and selling, they 7040 Carroll Ave also teach concertina. Takoma Park MD 20912 WWW page with some excellent info and USA concertina buying advice at:- Phone (301) 270-9090 http://www.hmtrad.com E-mail firstname.lastname@example.org Lark In The Morning Dealers in new and second-hand PO Box 1176 instruments. Has WWW page at:- Mendocino http://www.larkinam.com California 95460 USA Phone (707) 964-5569 E-mail email@example.com Marcus Music Usually has a good range of second- Tredegar House hand instruments. Sometimes has a Newport stand at UK folk festivals. Also Gwent makes anglos (see section 8). Wales WWW pages at:- Phone 01633 815612 http://www.marcusmusic.co.uk The Music Room Formerly Dave Mallinson Music. 35 Bradford Road Specialises in folk instruments Cleckheaton and usually have a good stock of West Yorksire new and second-hand concertinas BD19 3JN Sometimes has a stand at UK folk England festivals. WWW pages at:- Phone 01274 879768 http://www.the-music-room.com/ E-mail firstname.lastname@example.org SqueezinArt Produce T-shirts, mugs and all sorts of P.O. Box 2001 things related to squeezeboxes, including Rockville, MD 20847-2001 concertinas. Phone (301) 279 8716 E-mail email@example.com Windband Specialise in woodwind, brass and folk 9 Greyfriars Road instruments. Say that they usually Shrewsbury have 15 - 20 concertinas in stock and SY3 7EN the proprietor Mike Dutton plays the England English concertina. WWW page at:- Phone 01743 367482 www.yell.co.uk/sites/windband-instruments