Sigma Tube & Bar

Sigma Tube & Bar is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Tubing

North American Industry Classification System (NAICS) Categories:

• Iron And Steel Pipe And Tube Manufacturing From Purchased Steel > Tubes & Coils > Tubing

Standard Industry Classification (SIC) Categories:

• Steel Pipe & Tubes > Tubes & Coils > Tubing