- Ministry of Economy, Trade and Industry (METI)
- Ministry of the Environment
- New Energy and Industrial Technology Development Organization (NEDO).
- Advanced Cogeneration and Energy Utilization Center JAPAN
- Combustion Society of Japan
- Engineering Advancement Association of Japan
- Japan Aluminium Association
- Japan Auto Parts Industries Association
- Japan Boiler Association
- Japan Burner Research Association
- Japan Construction Equipment Manufacturers Association
- Japan Die Casting Association
- Japan Electric Measuring Instruments Manufacturers' Association
- Japan Electro-Heat Center
- Japan Electronics and Information Technology Industries Association
- Japan Forging Association
- Japan Forming Machinery Association
- Japan Foundry Society, Inc.
- Japan Furnace Constructors Association
- Japan Heating Industrial Association
- Japan Machinery Federation
- Japan Metal Heat Treatment Association
- Japan Powder Metallurgy Association
- Japan Robot Association
- Japan Small Once Through Boiler Association
- Japan Vacuum Industry Association
- Petroleum Association of Japan
- Steel Castings and Forgings Association of Japan
- The Ceramic Society of Japan
- The Energy Conservation Center, Japan
- The Federation of Electric Power Companies of Japan
- The Institute of Electrical Engineers of Japan
- The Iron and Steel Institute of Japan
- The Japan Electrical Manufacturers' Association
- The Japan Gas Association
- The Japan Institute of Energy
- The Japan Institute of Metals and Materials
- The Japan Iron & Steel Federation
- The Japan Refractories Association
- The Japan Refrigeration and Air Conditioning Industry Association
- The Japan Society for Heat Treatment
- The Japan Society of Industrial Machinery Manufacturers
- The Japan Society of Mechanical Engineers
- The Japan Society of Vacuum and Surface Science
- The Japan Titanium Society
- The Materials Process Technology Center (Sokeizai Center)
- The Technical Association of Refractories, Japan