Marshall’s dedicated, detail-driven team works hand-in-hand with our clients to provide the highest quality code compliant design, engineering, materials procurement, fabrication and testing of ASME Stamped pressure vessels of various shapes and sizes that meet or exceed all standards set by the American Society of Mechanical Engineers (ASME) and those of our customers.
We meet all necessary safety standards and production procedures to be certified as an ASME-authorized Code Facility. With over 75 years’ experience providing code work, our team of ASME Section IX and API 1104-qualified welders to ensure that all code work is completed safely, with quality, and according to all applicable code requirements. 
- A.S.M.E. Code “U” and “S” stamps and the National Board “R” stamp.
- Material Expertise: High-level proficiency in Stainless Steel, Hastelloy, and other high nickel/exotic alloys for corrosive environments.
- AWS/ASME certified welding including Orbital Fusion, TIG, MIG, and Stick.
- Pressure vessel fabrication, alteration, repair
- Certified and trained for confined-space entry
- Fabricated components
- Weld repairs
- Comprehensive structural steel fabrication and hard-facing for heavy industrial applications.