| Electronics Companies in Japan |
| A&D Company, Limited |
| Advantest |
| Aiwa |
| Akai |
| Alaxala Networks |
| Alinco |
| Alpine Electronics |
| Alps Electric Co. |
| Anritsu |
| AOR (company) |
| Audio-Technica |
| Brother Industries |
| Busicom |
| Canon (company) |
| Casio |
| Chinon Industries |
| Citizen Watch Co. |
| Clarion (car audio) |
| Daikin Industries |
| Denon |
| Diatone |
| Dokorder |
| EIKI |
| Eizo |
| Elecom |
| Elpida Memory |
| ELPJ |
| Fisher Electronics |
| Fuji Electric |
| Fuji Xerox |
| Fujitsu |
| Funai |
| Furuno |
| GRE (company) |
| GS Yuasa |
| H8 Family |
| Hamamatsu Photonics |
| Hitachi Ltd. |
| Hitachi Maxell |
| Hitachi-LG Data Storage |
| Icom Incorporated |
| Iiyama (company) |
| Ikegami Tsushinki |
| Japan Aviation Electronics |
| Japan Radio Company |
| JVC |
| Kenwood Corporation |
| Keyence |
| Kiramek |
| Konica |
| Konica Minolta |
| Kumamoto Technology Center |
| Kyocera |
| Luxman |
| Mamiya |
| Maruhon |
| Maspro Denkoh |
| Melco |
| Minebea |
| Minebea Co. |
| Minolta |
| Mitsubishi Electric |
| Mitsumi |
| Murata Manufacturing |
| Mutoh Europe nv |
| Nakamichi |
| NEC |
| NEC Soft |
| Nichia Corporation |
| Nichicon |
| Nihon Dempa Kogyo |
| Nikon |
| Nippon Chemi-Con |
| Nitto Denko |
| NKK switches |
| Oki Data Americas |
| Oki Electric Industry |
| Olympus Corporation |
| OMRON |
| Onkyo |
| Optonica |
| Orion Electric |
| Panasonic (brand) |
| Panasonic Corporation |
| Panasonic Electric Works |
| Pioneer Corporation |
| Pixela Corporation |
| Plat'Home |
| Plextor |
| Renesas Technology |
| Ricoh |
| Rohm |
| Rotel |
| Rubycon (company) |
| Sansui |
| Sanyo |
| Seiko |
| Seiko Epson |
| Seiko Instruments |
| Seikosha |
| Sharp Corporation |
| Shinano Kenshi |
| S-LCD |
| Sony |
| Sony Optiarc |
| Sord Computer Corporation |
| START Lab |
| Sumitomo Electric Industries |
| Sysmex Corporation |
| Taiyo Yuden |
| Takaya |
| TDK |
| TEAC |
| TOA Corp. |
| Toshiba |
| Toshiba Samsung Storage Technology Corporation |
| Uniden |
| Wacom |
| Yaesu (brand) |
| Yamaha Corporation |
| Yamaha Pro Audio |
| Yaskawa Electric Corporation |
| Yokogawa Electric |
| Yupiteru |
| Zuken |
