Motor-Cross Crossword - Offers custom automotive-themed crosswords with links to online and offline puzzles. - http://www.motor-cross.ca/
Personal-Puzzles.com - Provides personalized freeform crossword and word search puzzles. - http://www.personal-puzzles.com/
Crosswords by Myles Mellor - Offers themed, interactive and competition puzzles. - http://www.themecrosswords.com/
Master Puzzles - Designed by Guinness world record holder Timothy Parker and dozens of masters. Also offers custom trivia games. - http://www.masterpuzzles.com/