- 3DO
- Amstrad
- Anbernic
- APF Electronics Inc.
- Apple
- Asus
- Atari
- Audiosonic
- Ayaneo
- Ayn
- Bally
- Bandai
- BBC
- Bit Corporation
- Casio
- Coleco
- Commodore
- Daewoo
- Design Master
- Dingoo
- Emerson
- Entex
- Envizions
- Epoch
- Fairchild
- Fujitsu
- Funtech
- Gakken
- Game Consoles Worldwide
- GamePad Digital
- GamePark Holdings
- GCE
- GoRetroid
- Grey Innovation
- Interton
- iQue
- LeapFrog
- Lenovo
- LJN
- Magnavox
- Mattel
- Microsoft
- Milton Bradley
- Miyoo
- MSI
- NEC
- Nichibutsu
- Nintendo
- Nokia
- Nvidia
- OnLive
- OpenPandora
- Palmtex
- Panasonic
- Philips
- Pioneer
- Planet Interactive
- Powkiddy
- RCA
- RDI Video Systems
- Sega
- SNK
- Sony
- SSD
- Steepler
- Tapwave
- Tiger Electronics
- Tiger Telematics
- Tomy
- Watara
- Wellback Holdings
- Worlds of Wonder
- Valve
- Video-Master
- VM Labs
- VTech
- ZAPiT
- Zeebo