Sakata Seed
- Development and sale of vegetable and flower seeds, horticultural materials and landscape gardening.
- http://www.sakataseed.co.jp/english/company/message.html

UNICOOP Japan
- A trading company for import of grain and live stocks, export of rice, fruit and marine products.
- http://www.unicoop.co.jp/english/

Maruha
- Principal activities are commercial fishery, sale of marine products and seafood processing.
- http://www.maruha.co.jp/

Industrial Hemp in Japan
- Provides information and history of Japanese use of hemp for fibre, food and fuel.
- http://www.taima.org/en/ya991003.htm