| Ashirvad Pipes P. Ltd |
| Bazhoushi Zhuofa Steel Pipe Co., Ltd. |
| Bharat Pipe Sotres |
| Calcutta Pipe Agency |
| Cangzhou New Ocean Pipe Fitting Distribution Co., Ltd. |
| Changzhou Wujin Stainless Steel Pipe Plant Co., Ltd. |
| Dutron Pipes & Hoses |
| Elitech Stainless Steel Tubes & Pipes Industrial Inc. |
| Engtex Ductile Iron Pipe Industry Sdn Bhd |
| Ginde Plastic Pipe Industry Group |
| Ginde Plastic Pipe Industry Group |
| Gostom PE(X)-AL-PE(X) Pipe Co.,Ltd |
| Guangzhou Trading Co. Of Xinxing Pipes Groups |
| Hebei Newton Pipes Co., Ltd. |
| Karbonoks Pipe And Fittings Ltd. |
| Khandelwal Steel&Pipes |
| Nimka Geothermal Pipe Industry Co |
| Ningbo Boer Pipe Industry Development Co., Ltd. |
| Pipefit Engineers Pvt Ltd |
| Qinhuangdao Taidy Pipe Industry Co., Ltd. |
| Ramna Fitting and Pipe Mills (Pvt) Ltd |
| Ramna Pipe & General Mills Pvt. Ltd |
| Sattar Metal Industries, Sattar Pipe Industries (Pvt.) Ltd. |
| Shanghai Crystal Palace Pipe Co., Ltd |
| Shanghai Huaerde Stainless Steel Pipe Manufacture Co., Ltd. |
| Shanghai Sinomake Pipe Fittings Co., Ltd |
| Shanghai Zhongsu Pipe Industry Co., Ltd. |
| Shanxi Dynamic Flanges&Pipe Fittings Co. Ltd |
| Teepu Traders (Pipes & Valves) |
| Vishal Pipes Limited |
| Wintech Plastic Pipe Fittings Co., Ltd |
| Xc Pipe Co., Ltd. |
| Xinxing Ductile Iron Pipes Co., Ltd. |
| Yingkou Pipe Fittings Ind Co |
| Yuyao Kexing Pipe Industrial Co., Ltd. |
| Yuyao Xinda Plastic Pipe Co., Ltd. |
| Zhejiang Eastern Hobas Pipes Co. |
| Zhejiang Huadong Steel Pipes Manufacture Co., Ltd. |
| Zhejiang Jinyu Fengye Pipe Co., Ltd. |
| Zhejiang Lixue Steel Pipe Co., Ltd. |
| Zhejiang Yuyao Yangzi Pipe Co., Ltd |
| Zhuji City Fengyue Pipe-Business Co., Ltd. |
