The Puzzle Box Shop - Puzzle boxes that are hand made to order. Original ideas were inspired by the movie Hellraiser. - http://www.hellraiserpuzzlebox.com
Hobby Wonder - A range of puzzles, including street scenes, castles and vehicles. Stock many leading brands. - http://www.hobbywonder.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/
Puzzle Mania - Jigsaw puzzles along with puzzle books and cubes from a UK company offering worldwide delivery. - http://www.puzzle-mania.co.uk
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
MaxPuzzles - UK site with a wide selection of different types of puzzle. Includes a children's puzzle section. - http://www.maxpuzzles.co.uk
Winshare Brilliant Puzzles - Metal, wooden and brain teaser puzzles of many kinds. Gift wrapping service available. - http://stores.brilliantpuzzles.com/
Games and Puzzles - UK site selling puzzles and boardgames. Features include an illustrated catalogue and a reference centre. - http://www.gamesandpuzzles.co.uk/
Puzzling - UK site specializing in hard to find puzzles. Types include Polyhedrals, Pentomines and Tangrams. - http://www.puzzling.net
The Pencil Puzzle Connection - Mainly written puzzles including mazes, word puzzles and crosswords on predominantly Christian themes. - http://www.pencilpuzzles.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
It's Cubular - Speciality site for crossword enthusiasts. Items for sale include mugs, bags, gift boxes and T-shirts. - http://itscubular.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
BestQualityToys.com - Puzzles, games and wheeled toys. Also stock a range of very large jigsaw puzzles. - http://www.bestqualitytoys.com/
Little Folks Puzzle Company - Giant floor puzzles for young children. Listings include puzzles from several different manufacturers. - http://www.littlefolkspuzzle.com/
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/
Tangle Toys - A range of products collectively known as "Tangles". Testimonials regarding their use in education. - http://www.tangletoys.com
Puzzle Master - Puzzles of many different types from a Canadian company. Provide downloadable solutions to several popular puzzles. - http://www.puzzlemaster.ca/
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/
Puzzles Plus - Brain teasers, learning games, 3D puzzles and jigsaws. Details about using large jigsaw puzzles as Wall Art. - http://www.puzzlesplus.net/
Spilsbury - Uncommon jigsaws and 3D puzzles along with creative games and toys. Contains a section of unusual gift ideas. - http://www.gopuzzles.com/