- puzzles.cleversoul.com
- www.seriouspuzzles.com
- www.bitsandpieces.com
- www.gamepuzzles.com
- www.mefferts.com
- www.custompuzzlecraft.com
- www.mindwareonline.com
- www.thinkfun.com
- www.spilsbury.com
- www.puzzles.ca
- www.turnoffthetv.com
- www.puzzlesdownunder.com.au
- www.areyougame.com
- www.unclesgames.com
- www.mrpuzzle.com.au
- www.puzzle-factory.com
- www.spacecubes.com
- www.constructiontoys.com
- www.blueorangegames.com
- www.chessusa.com
- www.puzzlepalace.com