Tavern Puzzles by Tucker-Jones House, Inc.
Metal disentanglement puzzles. Solutions with diagrams are available to help take apart and reassemble these mindbending brainteasers.
Frost Hollow Puzzles
Specializes in handcrafted jigsaw and wooden bench personalized puzzles.
Brainwarp.com
Crosswords, brainteazers, hexwords, mind games, etc.
Tessellations
Maker of Puzzellations puzzles (with foam rubber tiles), posters, and kaleidoscopes inspired by M.C. Escher, as well as mathematicians like Penrose and Mandelbrot.