Toys-for-all
- Information on the company's products and how they are created.
- http://toys-for-all.de/

IBM Burr Puzzles
- Explore known burr puzzles and calculate new ones using the burr calculator.
- http://researchweb.watson.ibm.com/BurrPuzzles/

Tarata
- Offers handmade balancing animals wooden game for adults and children.
- http://www.tarata.com/

Pentangle Puzzles
- Designers, manufacturers and distributors of over 150 quality wooden puzzles made in England.
- http://www.pentangle-puzzles.co.uk

Making the Burr Puzzle
- Instructions on how to make burr puzzles including what tools and materials to use.
- http://www.flowerfire.com/burrmaking/

les jeux d'Anna
- Offers artistic and educational wooden toys.
- http://www3.sympatico.ca/annau/

Knox Puzzles
- Custom made wooden toys for children, puzzles and games.
- http://www.knoxpuzzles.com/

Cubic Dissection
- Interlocking puzzle gallery. Handcrafted wooden puzzles for sale.
- http://www.cubicdissection.com

The Puzzle Palace
- Offers comprehensive range of complex wooden puzzles & brainteasers including Gemani exclusive designs.
- http://www.puzzlepalace.co.uk

Mr. Puzzle
- Offers comprehensive range of quality complex wooden burr puzzles and brainteasers.
- http://mrpuzzle.com.au

Pinnacle Puzzles
- Traditional handmade wooden games and puzzles for the entire family. (UK)
- http://www.pinnaclepuzzle.freeuk.com/intro.htm

Trevor Wood's Puzzles
- Handcrafted wooden mechanical puzzles. (UK)
- http://www.puzzles.force9.co.uk/index.htm