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National Boiler Services


NBS boiler services - Expert solutions for your toughest boiler challenges.

With more than 900,000 project hours logged annually and 300 years of combined experience, our team offers expert boiler solutions and services - from schedule development, boiler construction, and thorough project planning to custom fabrication and more.

NBS offers full-service capabilities for any size project, starting with a dedicated preplanning process to ensure we meet or exceed project and shutdown schedules.

Code Vessel Shop

Boiler Maintenance & Repair

Industry leading boiler service - NBS is an industry leader in boiler maintenance and repair for industrial plants nationwide.

Code Vessel Shop

Code Vessel Shop

Code certified expertise -  Pressure vessel service authorized by the NBIC, ASME, and NB for a variety of code certified work.

Engineering Design & Calculations

Engineering/Design Calculations

Industry-leading knowledge - NBS project engineers meet the highest of ASME and NBIC standards for safety and quality.

Boiler Fabrication


On-site and field fabrication - NBS offers customized fabrication to meet exact component and equipment specifications. 

Boiler Piping Services

Process Piping Services

Expert piping fabrication and installation - NBS offers ASME/NBIC certified welding and shop and field fabrication service.

Boiler Project Planning Services

Project Planning Services

Dedicated project planning - NBS offers expert project planning, from constructability to schedule development and more.

Boiler Project Management Services

Project Management Services

Concept to completion - We provide turnkey project management service, from budget development to outage assistance.

Specialized Welding Services

Specialized Welding Services

Rigorous quality control training - NBS provides code certified welding for critical boiler components, process piping, and more.