Dan's Small Parts and Kits (http://www.danssmallpartsandkits.net/)
Elecraft (http://www.elecraft.com/)
Almost All Digital Electronics (http://www.aade.com/)
Small Wonder Labs (http://www.smallwonderlabs.com/)
Hendricks QRP Kits (http://www.qrpkits.com/)
Kanga US (http://www.kangaus.com/)
Oak Hills Research (http://www.ohr.com/)
Wilderness Radio (http://www.fix.net/~jparker/wild.html)
Ham Gadgets (http://www.hamgadgets.com/store/)
Mouser Electronics (http://www.mouser.com/)
Digi-Key Electronics (http://www.digikey.com/)
Jameco (http://www.jameco.com)
Electronic Goldmine (http://www.goldmine-elec.com/)
All Electronics (http://www.allelectronics.com/)
Hosfelt Electronics (http://www.hosfelt.com/)
Ocean State Electronics (http://www.oselectronics.com/)
Fair Radio Sales (http://www.fairradio.com/)
Surplus Sales of Nebraska (http://www.surplussales.com/)
Antique Electronic Supply (http://www.tubesandmore.com/)
SparkFun Electronics (http://www.sparkfun.com/commerce/categories.php)
Small Parts (http://www.smallparts.com/)
Futurelec (http://www.futurlec.com/index.shtml)
Alltronics (http://www.alltronics.com/)
BGMicro Hobby Electronics and Parts (http://www.bgmicro.com/)
Kits and Parts--"The Toroid King" (http://kitsandparts.com/index.php)
W1REX's QRPme.com (http://www.qrpme.com/)