Leading Suppliers Globally for Steel Gas and Water Tubes or Pipes

Here is a list of some of the leading global suppliers of steel gas and water tubes or pipes:

1. Tenaris S.A.
2. Vallourec SA
3. ArcelorMittal
4. Nippon Steel Corporation
5. TMK Group
6. Salzgitter AG
7. JFE Steel Corporation
8. Tata Steel Limited
9. Severstal
10. United States Steel Corporation

These companies are well-known in the industry for their high-quality steel tubes and pipes for various applications including gas and water systems.