BestQualityToys.com
   Puzzles, games and wheeled toys. Also stock a range of very large jigsaw puzzles.
   http://www.bestqualitytoys.com/

Bits And Pieces UK
   Puzzles, jigsaws, brainteasers, games and novelties. Many of the listed items are exclusive to the company.
   http://www.bitsandpiecesuk.com

BrainPuzzles.com
   Puzzles that are categorized by level of difficult. Explanation about Tavern Puzzles and their uses.
   http://www.brainpuzzles.com/

Elverson Puzzle Company
   Jacob's Revenge Bottle, Log Stacker and several other puzzles designed in-house. Also a slot machine card game.
   http://www.elversonpuzzle.com/

Frik-n-Frak
   Puzzle boxes, brain teasers, mechanical puzzles and gift ideas that aim to "Generate smiles and stimulate minds".
   http://www.frik-n-frak.com

Games and Puzzles
   UK site selling puzzles and boardgames. Features include an illustrated catalogue and a reference centre.
   http://www.gamesandpuzzles.co.uk/

Hobby Wonder
   A range of puzzles, including street scenes, castles and vehicles. Stock many leading brands.
   http://www.hobbywonder.com

It's Cubular
   Speciality site for crossword enthusiasts. Items for sale include mugs, bags, gift boxes and T-shirts.
   http://itscubular.com/

Little Folks Puzzle Company
   Giant floor puzzles for young children. Listings include puzzles from several different manufacturers.
   http://www.littlefolkspuzzle.com/

MaxPuzzles
   UK site with a wide selection of different types of puzzle. Includes a children's puzzle section.
   http://www.maxpuzzles.co.uk

Mr Puzzle Australia
   Many different types of puzzles and brainteasers. Site allows for sorting by category, price or degree of difficulty.
   http://www.mrpuzzle.com.au/

Puzzle Mania
   Jigsaw puzzles along with puzzle books and cubes from a UK company offering worldwide delivery.
   http://www.puzzle-mania.co.uk

Puzzle Master
   Puzzles of many different types from a Canadian company. Provide downloadable solutions to several popular puzzles.
   http://www.puzzlemaster.ca/

Puzzle Pyramid
   Based in Australia. Many different types of puzzle, all of which are given a difficulty rating between one and ten.
   http://www.puzzlepyramid.com

Puzzles Plus
   Brain teasers, learning games, 3D puzzles and jigsaws. Details about using large jigsaw puzzles as Wall Art.
   http://www.puzzlesplus.net/

Puzzling
   UK site specializing in hard to find puzzles. Types include Polyhedrals, Pentomines and Tangrams.
   http://www.puzzling.net

Spilsbury
   Uncommon jigsaws and 3D puzzles along with creative games and toys. Contains a section of unusual gift ideas.
   http://www.gopuzzles.com/

Tangle Toys
   A range of products collectively known as "Tangles". Testimonials regarding their use in education.
   http://www.tangletoys.com

The Pencil Puzzle Connection
   Mainly written puzzles including mazes, word puzzles and crosswords on predominantly Christian themes.
   http://www.pencilpuzzles.com/

The Puzzle Box Shop
   Puzzle boxes that are hand made to order. Original ideas were inspired by the movie Hellraiser.
   http://www.hellraiserpuzzlebox.com

The Puzzle Store
   UK company selling their own brand of Mad Cow Puzzles along with Chinese, magnetic and other types of puzzle.
   http://www.thepuzzlestore.co.uk/store/

Winshare Brilliant Puzzles
   Metal, wooden and brain teaser puzzles of many kinds. Gift wrapping service available.
   http://stores.brilliantpuzzles.com/