Mark Steel Corporation


AISC        ASME        AWS        CWB        NBI


For 45 years, Mark Steel has manufactured vessels and structural steel under AMSE Section 8, Division 1 and AISC’s specifications, codes and standards.

- Quality Assurance Manual for ASME Code Section VIII, Division 1.

- Quality Assurance Manual for AISC and Sophisticated Paint Endorsements.

All A.S.M.E. certifications include both shop and field work.

Welder qualifications are detailed on the Welding page.  The links are below:


Welding Professionals    Sophisticated Paint Endorsement

Welding Professionals                               Sophisticated Paint Endorsement


Quality Control     Inspection and Testing

Documentation Packages                        Inspection and Testing