- Japan L.P.Gas Sales Association
- Japan LP Gas Plant Association
- Japan LP-Gas Instruments Manufacturer's Association
- Japan Industrial Association of Gas and Kerosene Appliances
- LP Gas Center
- The High Pressure Gas safety Institute of Japan
- Japan Gas Appliances Inspection Association
- The Japan Gas Association
- Japan Oil, Gas and Metals National Corporation
- World LP Gas Association
- Petroleum Association of Japan
- Nippon Keidanren
- Ministry of Economy, Trade and Industry
- Agency for Natural Resources and Energy, Japan
- Ministry of the Environment, Government of Japan
