Members of Aso Geopark Promotion Council
- Goverment
- Kumamoto Prefecture Aso Regional Promotion Bureau
- Aso City
- Minamioguni Town
- Oguni Town
- Ubuyama Village
- Takamori Town
- Minamiaso Village
- Nishihara Village
- Yamato Town
- Education
- Aso Eco Tourism Association
- National Aso Youth Friendship Centre
- Aso Den'en Kukan Eco Musum
- Aso Museum
- Namino Plateau Yasuragi Recreation and Rest Centre
- Aso Tanibito Eco Museum
- Aso Park Volunteers Association
- Tourism
- Aso City Tourism Association
- Minamioguni Town Tourism Association
- Oguni Tourism Association
- Ubuyama Village Tourism Association
- Takamori Town Tourism Association
- Minamiaso Village Tourism Association
- Yamato Town Tourism Association
- Research
- Aso Volcano Museum
- Kumamoto University
- Aso Volcanological Laboratory Institute for Geothermal Sciences Graduate School of Science, Kyoto University
- Kumamoto Geosciences Association
- Kumamoto Geotechnical Consultants Association
- Environment
- Aso Nature Conservation Group
- Natural Parks Foundation Aso Branch
- Aso Green Stock Foundation
- Aso Local Development Design Centre Foundation (ASODC)
- Economy
- Aso Junior Chamber of Commerce
- Kumamoto 21
- Japan Limonite
