(listed in no particular order)

LIVEWIRE PUZZLES http://www.puzzles.ca/age.html

BILL CUTLER PUZZLES http://billcutlerpuzzles.com/

DAN FELDMAN's DanLock Puzzle http://sites.google.com/site/danlockpuzzle/
CUBE DISSECTION - ERIC FULLER http://www.cubicdissection.com
PUZZLE 3D - RUBIKS (in Japanese only) http://puzzle3d.hp.infoseek.co.jp/

RAFIKI Inc - Code World Puzzle http://www.codefun.com

GEMENI GAMES & PUZZLES http://www.gemanigames.com
GAMEPUZZLES For the joy of thinking http://www.gamepuzzles.com/
PUZZLEMASTER - http://www.puzzlemaster.ca
PUZZLEWOOD - http://www.puzzlewood.de/

CMETRICK - 3D Brain Teaser Puzzles - http://www.elogiq.com/

B-Dazzle Inc - http://www.b-dazzle.com

TINGLEWOOD WINES & PUZZLES - http://www.tinglewoodwines.com.au/
ART & SOUL GALLERY - http://www.artandsoulgallery.com.au/
BRILLIANT PUZZLES - http://stores.brilliantpuzzles.com/StoreFront.bok
FRIK-N-FRAK - http://www.frik-n-frak.com/
PUZZLE THIS - http://www.puzzlethis.co.uk/index.htm
BRAINBUILDERS - http://www.brain-builders.com/index.html
PUZZLEBOX WORLD - http://www.puzzleboxworld.com/
KNOX PUZZLES - http://www.knoxpuzzles.com/StartEn.html
KAGEN SCHAEFER - http://www.kagenschaefer.com/
PUZZLE PARADISE Auction - http://www.puzzleparadise.ca/index.php