- Anomia Press
- Areyougame
- Bananagrams
- BePuzzled
- Cobble Hill
- Cobble Hill Puzzle Company
- Endless Games
- Eurographics
- Fascinations
- Hedstrom
- John N. Hansen Co.
- Klutz
- MasterPieces Puzzles
- Melissa and Doug
- Outset Media
- Playroom Entertainment
- Pomegranate Communications, Inc.
- Professor Puzzle
- R&R Games
- Redbox
- Repos Production
- Sinister Fish Games
- Stabilo
- Talicor
- TDC Games
- That Girl Lay Lay
- U.S. Games Systems
- Ultra Pro
- University Games
- Willow Creek Press
- WizKids Games
- Z-Man Games
- Zobmondo