WBC provides permanent office booths for overseas organizations. These booths offer a base for operations in Japan.
- Ascendas Japan Representative Office
- CzechInvest (Czech Agency for Foreign Investment)
- Mongolian National Chamber of Commerce and Industry in Japan
- Shanghai Pudong New Area Japan Economic and Trade Office
- Philippines Inc.
- State of Rio Grande do Sul Trade and Information Center
- Sri Lanka Trade and Investment Promotion Bureau
- State of Tennessee Japan Office
- State of Mississippi Asian Office of Investment Promotion

