| Hunan Zhangjiajie Xintai Natural Gas Co., Ltd. | Guangdong Dianbai County Pipeline Gas Co., Ltd. | Tonghua Gas Corporation of Jilin Province |
| Hunan Xianggan Three Gorges Gas Investment Co., Ltd. | Shantou Chenghai Gas Construction Co., Ltd. | Shandong Dezhou Gas Corporation |
| Hunan Shimen Xingye Pipeline Gas Co., Ltd. | Dianbai District, Maoming City, Guangdong Province Gas Pipeline Co., Ltd. | Ganzhou Gas Corporation of Jiangxi Province |
| Taoyuan Three Gorges Gas Co., Ltd., Changde City, Hunan Province | Guangdong CNOOC Jieyang Energy Development and Utilization Co., Ltd. | Zhejiang Dongyang Gas Co., Ltd. |
| Hunan Zhuzhou Jincheng Gas Development Co., Ltd. | Kaitong Natural Gas Co., Ltd., Qingxu County, Shanxi Province | Fujian Nanping Futou New Energy Investment Co., Ltd. |
| Three Gorges Natural Gas Co., Ltd. of Cili County, Hunan Province | Changzi County Senzhong Gas Co., Ltd., Shanxi Province | Huaao Natural Gas Co., Ltd., Nanhe County, Hebei Province |
| Three Gorges Gas Co., Ltd. of Linli County, Hunan Province | Shanxi Guoxin Liquefied Coalbed Methane Co., Ltd. | Chongqing Keyouaitian then Co., Ltd. |
| Anxiang County Three Gorges Gas Co., Ltd., Hunan Province | Far East Energy (Bermuda) Co., Ltd. | Chongqing Anda Natural Gas Co., Ltd. |
| Hunan Rucheng Zhongtian Gas Co., Ltd. | Shanxi Guoxing Coalbed Methane Transmission and Distribution Co., Ltd. | Shangli County Water Affairs Bureau, Pingxiang City, Jiangxi Province |
| Hunan Ruihua Energy Group Co., Ltd. | Guanghan Water Affairs Bureau of Sichuan Province | Dancheng County Water Supply Company in Henan Province |
| Wuzhong No. 2 Heating Co., Ltd. | Jiangsu Fengxian Water Supply Company | Fujian Provincial Governor Tai Fuda Urban Investment Group |
| Shandong Mining New Energy Co., Ltd. | Chongqing Jiangjin Water Affairs Bureau | Jiangxi Water Resources and Hydropower Development Co., Ltd. |
| Shanxi Province Yangqu Thermal Power Company | Tao Mine Water Supply Plant in Linxiang City, Hunan Province | Jiangxi Leping Runquan Water Supply Co., Ltd. |
| Tianshui City, Gansu Province Xinchang Thermal Power Co., Ltd. | Henan Yongcheng Water Company | Guixi City Water Supply Company, Jiangxi Province |
| Yuzhong County Heating Management Station, Lanzhou City, Gansu Province | Shenhua Materials Group Co., Ltd. | Wanan County Water Supply Company of Jiangxi Province |
| Taiyuan City, Shanxi Province Renewable Energy Heating Co., Ltd. | Zhongshui Water Co., Ltd., Baoji City, Shaanxi Province | Lichuan County Water Supply Company of Jiangxi Province |
| Taiqian County City Water Supply Co., Ltd., Henan Province | Gaoyou City, Jiangsu Province, Hong Kong Post Engineering Co., Ltd. | Chongyi County Water Supply Company of Jiangxi Province |
| Qian'an County Water Affairs Co., Ltd. of Jilin Province | Qingyuan City Water Supply Engineering Co., Ltd., Guangdong Province | Material Station of Labor Service Company, Luoyang Water Supply Company, Henan |
| Jishui County Water Supply Company of Jiangxi Province | Xuzhou Tongchuang Water Co., Ltd., Jiangsu Province | Chang'an District Water Supply Company, Xi'an City, Shaanxi Province |
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