http://www.fineresophonic.com/resolectrics.htm
http://www.nationalguitars.com/index.html
http://www.amistar.cz/metal_single.htm
http://guitares.jegou.free.fr/web/index2.html
http://www.republicguitars.com/highway61travelsize.html
http://www.beltona.net/nav/guitar_electroresonator.htm