- 4D Cityscape
- Areyougame
- BePuzzled
- Bob Marley
- Buffalo Games
- Cobble Hill
- Cobble Hill Puzzle Company
- Educa
- Eeboo
- Endless Games
- Eurographics
- Hart Puzzles
- Jumbl
- Just Funky
- Madd Capp Games
- Masterpieces
- MasterPieces Puzzles
- Melissa and Doug
- Mondo
- New York Puzzle Company
- NMR Distribution
- Paladone Products Ltd.
- Pomegranate Communications, Inc.
- Puzzles of Color
- Quokka
- ROPODA
- Shantou South Toys Factory
- Thames & Kosmos
- The Hobbit
- Trefl
- University Games
- Willow Creek Press