This is a list of companies from Japan. See lists of companies for lists of companies from other countries.
- All Nippon Airways
- Bandai
- Canon
- Capcom
- Casio
- Citizen
- Daihatsu
- Denon
- Fuji Heavy Industries
- Fujitsu
- Hitachi
- Honda
- Japan Airlines
- JVC Victor
- Kawasaki Heavy Industries
- Konami
- Kyocera
- Lucky Records (1930s)
- Matsushita, Panasonic
- Mazda
- Mitsubishi
- Mitsubishi Motors Corporation
- Mitsui
- Namco
- NEC
- Nikon
- Nintendo
- Nissan
- NTT
- Onkyo
- Orient
- Sanyo
- SEGA
- Seiko
- Sharp
- Shimano
- SNK
- Sony
- Suzuki
- Toshiba
- Toyota
- Yamaha
