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- The 20th International Biology Olympiad Organizing Committee
- University of Tsukuba
- Japan Science Foundation
- Ibaraki Prefecture
- Tsukuba City
- Tsukuba Science City Network
- Tsukuba Expo'85 Memorial Foundation
- National Museum of Nature and Science
- Gushinkai Foundation
- Tokyo Club
- The Ministry of Education, Culture, Sports, Science and Technology
- Cabinet Office, Government of Japan
- The Ministry of Foreign Affairs of Japan
- The Ministry of Health, Labour and Welfare
- The Ministry of Agriculture, Forestry and Fisheries of Japan
- The Ministry of the Economy, Trade and Industry
- The Ministry of Environment
- Science Council of Japan
- The Asahi Shimbun
- The Mainichi Newspapers
- The Yomiuri Shimbun
- Nikkei Inc.
- The Sankei Shimbun
- The Chunichi Shimbun
- Jiji Press, Ltd.
- Kyodo News
- The Ibaraki Shimbun
- Japan Broadcasting Corporation
- Ibaraki Broadcasting System
- Joyo Newspaper
- Joyoliving
