Carbon Seamless Manufacturers
American Piping distributes a huge selection of carbon seamless steel pipe, fittings, and flanges from the world’s leading manufacturers. Listed below are some of the seamless steel pipe, flange, and fitting manufacturers that we represent.
| US Steel | USA | |
| Tenaris / Dalmine | Italy | |
| Vallourec Mannesmann | Europe | |
| V & M Star | USA | |
| Productos Tubulares | Spain | |
| Jiangu Chengde Steel Tube | China | |
| Tubos Reunidos | Spain | |
| Chomutov | Czech Republic | |
| Huta Batory | Poland | |
| Siderca | Argentina | |
| Mittal Steel | Czech Republic Romania | |
| NKK / Tenaris | Japan | |
| Volzhsky | Russia | |
| Tamsa | Mexico | |
| Productos Tubulares | Spain | |
| Nikopol | Romania | |
| Heng Yeng | China | |
| Lubao Steel | China | |
| Suzhou Seamless | China | |
| YYC | China | |
