Doska
- Offers sensory boards, electronic clocks, programs and computers.
- http://www.doskachess.co.uk

ChessBase USA
- Marketers of the database program of the same name, and is also the US distributor of playing software like Fritz and Junior. Also includes news and information. Tennessee, USA
- http://chessbaseusa.sectorlink.org/

Chess For Less
- Offering Software and related books.
- http://www.chess4less.com/

The Chess Outpost
- Offering software, like Fritz, Deep Fritz, Shredder, Junior, and Deep Junior. Wisconsin, USA.
- http://www.chessoutpost.com

ChessGames Software
- Computer programs available on CD-ROM. Indiana, USA
- http://www.sjperry.com/chess/

BK Chess
- Sellers provides a selection of products including, software and other products. Family run business. Orders via PayPal only. New York, USA
- http://www.bkchess.com/

SchoolChess.com
- Supplier of the Think Like A King school software system including the Chess Club Manager and the Chess Workouts books-on-disk. Used in schools worldwide. Illinois, USA
- http://www.schoolchess.com/

Schröder BV
- Rebel by Ed Schroder is one of the strongest programs on the market. Many other programs marketed by Rebel also available. Netherlands
- http://www.rebel.nl