Livewire Puzzles  
   Makes wire puzzles of various levels of difficulty.
   http://www.puzzles.ca/

Tavern Puzzle Collection  
   Metal puzzles, created by blacksmith Dennis Sucilsky. Puzzle descriptions, and solution pages, complete with diagrams for taking apart puzzles and reassembly. Produced by Tucker-Jones House, Inc.
   http://www.tavernpuzzle.com

Tangrams  
   Ancient Chinese moving-piece puzzle consisting of 7 geometric shapes. Allows visitors to learn its history, make a set, try solving one of the shapes or explore the author's links.
   http://www.tangrams.ca

Puzzles.com  
   Home site for the Binary Arts line of mind puzzles.
   http://www.puzzles.com/

PuzzleSolver  
   Solutions for the Rubik's Cube and many other mechanical puzzles. Post questions and get answers on the puzzle message board. Has a Puzzle of the Month page.
   http://www.puzzlesolver.com/

Meffert's World of Puzzles  
   Manufacturer of many different types of Rubik like puzzles.
   http://www.mefferts-puzzles.com

Puzzle People Page  
   Directory of mechanical puzzle collectors, as well as other information.
   http://www.toad.net/~elva/slocum.html

Puzzle World  
   Different varieties of mass produced mechanical puzzles as well as individual hand crafted puzzles and information for collectors.
   http://www.johnrausch.com/PuzzleWorld/default.htm

Potty Puzzles  
   Puzzle site with wooden assembly, burrs, wire and many other types of mechanical puzzles. (UK)
   http://www.pottypuzzles.co.uk/

Parlor Puzzles  
   Collectibles, puzzles, and gifts.
   http://www.parlorpuzzle.com

Russian Puzzles  
   Connect the cubes to complete the picture on each side. Makes customized puzzles from your pictures.
   http://www.nurica.com/

The Puzzle Museum  
   Source of information concerning mechanical puzzles and their history.
   http://www.puzzlemuseum.com/

Tumbler Puzzle Solution  
   Step by step guide to solving the Nintendo Tumbler puzzle.
   http://www.smartbytes.co.uk/Tumbler/

Hockey Puck Puzzle  
   Offers a Rubik's cube related 3D puzzle shaped like a hockey puck, with many different design patterns.
   http://look.net/hockeypuck/

Brass Puzzles by Rocky  
   Maker of hand machined brass puzzles.
   http://brasspuzzlesbyrocky.com/

Brain Binders  
   Paper puzzles free to download.
   http://www.teachnet.com/brainbinders/

Thomas Ball  
   Offers soccer ball shaped mechanical puzzles.
   http://www.thomas-ball.com

Puzzle & Craft Factory  
   Provides Puzzles, Brain teasers, Toys and Games to people of all ages and skill levels
   http://www.puzzle-factory.com/

Impossible Bottles  
   Learn the puzzling art of putting large objects into small bottles.
   http://www.puzzlesolver.com/list.php?cat=5