National Boiler Services has an on-site fabrication shop staffed with qualified professionals and a collective 675 years of experience.  We have the ability to manage fabrication for heavy components such as pressure vessels and economizers as well as power and process piping, both on-site and in the field.

Our fabrication capabilities allow us to provide services for a wide range of industrial needs.  Our experience in plant maintenance operations includes, but is not limited to, the Pharmaceutical, Chemical & Refinery, and Pulp & Paper industries.

NBS Fabrication - Our Capabilities


NBS provides safe and quality welding services for all materials. Our quality standards are among the highest in the industry, with Welder Certification maintained by an electronic Welder Management System at the corporate office.

Boiler Fabrication

NBS provides custom fabrication of all boiler pressure parts, including boiler drums and heaters.

Shop and Field Fabrication

Depending on the scope and size of the fabrication project, NBS offers both shop and field fabrication services. This determination is made during the planning stages of the project.

Metal Work

Fabrication of certain metals requires a level of expertise not found in all fabrication shops. The staff at NBS has experience working with various metal types, including carbon, chrome, stainless, and exotic - including p91 materials.

Code Certification

All fabrication at NBS is code certified. This is achieved through adhering to clearly defined Quality Assurance procedures which are in compliance with American Society of Mechanical Engineers (ASME) and National Board Inspection Code (NBIC) codes. 

Contact us or call (877) 360-0858 if you have questions about our fabrication services.