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| 1. Japan Ministry of Defense | |
| 2. Japan Coast Guard | |
| 3. Ministry of Land, Infrastructure, Transport and Tourism | |
| 4. Japan Meteorological Agency | |
| 5. Mitsubishi Heavy Industries, Ltd. | |
| 6. Kawasaki Heavy Industries, Ltd. | |
| 7. Mitsubishi Kakoki Kaisha, Ltd. | |
| 8. Mitsui Engineering & Shipbuilding Co., ltd. | |
| 9. Japan Marine United Corporation | |
| 10. Shanghai Waigaoqiao Shipbuilding Co., Ltd. | |
| 11. New Times Shipbuilding Co., Ltd. | |
| 12. Jiangsu New Yangzi Shipbuilding Co., Ltd | |
| 13. Qingshan Shipyard of SINOTRANS&CSC SBICO | |
| 14. Hudong-Zhonghua Shipbuilding (Group) Co., Ltd. | |
| 15. Jiangsu Hantong Ship Heavy Industry Co., Ltd | |
| 16. Dalian shipbuilding Industry Co., Ltd. | |
| 17. Jangnan Shipyard (Group) Co., Ltd. | |
| 18. Tianjin Xingang Shipbuilding Heavy Industry Co., Ltd. | |
| 19. Taizhou Kouan Shipbuilding Co., Ltd | |
| 20. Bohai Shipbuilding Heavy Industry Co., Ltd. | |
| 21. Jiangsu Islands Shipbuilding Industry Co.,Ltd. |