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Get anywhere on our website and Business Center from a single navigation bar. All individual accounts can now be accessed with a single sign-on. And check out our new home page.

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Protection Through Excellence in Pressure Equipment Safety

For over 100 years, NBBI has worked with jurisdictions, inspection agencies, and industry to improve boiler and pressure vessel safety through accreditation, standards, training, registration, and data.

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Standards That Protect.
Solutions That Perform.

From the National Board Inspection Code (NBIC) to accreditation and certifications, NBBI sets the standard for safety and integrity.

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Building Knowledge.
Developing Expertise.

Our learning & development programs prepare tomorrow's inspectors and keep today's professionals at the top of their game.

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Become an Inspector

Data. Insights. Safer Tomorrow.

Through innovative reporting and data solutions like JRS, NBBI turns information into action – helping communities make smarter decisions and prevent incidents.

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Safety Solutions and Standards

The National Board is driven by the vision of global uniform safety of boilers, pressure vessels, and other pressure-retaining items.

Accreditation

NBBI administers three accreditation programs for organizations that perform repairs and alterations on pressure equipment (R, VR, NR) and one program for organizations that test pressure relief valves (T/O).

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NBIC

The National Board Inspection Code is an internationally recognized standard that governs and maintains rules for the installation, inspection, repair, and alteration of inservice pressure equipment.

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Data Reports

NBBI maintains records of pressure-retaining items registered by manufacturers who meet requirements and are constructed in accordance with the ASME Code and inspected by an NBBI Commissioned Inspector.

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Credentials

NBBI offers several credentialing programs to inspection professionals. NBBI credentials directly support the activities of the NBIC and ASME codes.

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Learning & Development

NBBI offers over 100 comprehensive classroom and online training programs for inspectors and pressure equipment professionals from around the world.

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Pressure Relief Lab

The Pressure Relief Laboratory maintains and promotes programs related to overpressure protection of pressure equipment.

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News & Events

Enroll Now!

The Boiler and Pressure Vessel Fundamentals seminar is a three-day virtually delivered class where students are introduced to pressure equipment terminology and boiler and pressure vessel types.

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New Online Training Course

The new “Pressure Piping Material” online course explores ASME Sections I and II and B31.1 and their roles in power and process piping systems.Read More

NBBI Technical Scholarship

The scholarship supports students pursuing engineering and related STEM fields, developing future professionals in boiler and pressure vessel safety.Read More

NBIC Registration

The NBIC committees will meet January 11-14, 2027, in Nashville, Tennessee, to continue their work supporting pressure equipment safety and industry standards.Read More

NBBI News

Check out our new website with unified navigation, simplified sign-in through Business Center accounts, and a redesigned homepage for easier access.Read More

Welcome to the New Website!

Protection Through Excellence in Pressure Equipment Safety

Standards That Protect.
Solutions That Perform.

Building Knowledge.
Developing Expertise.

Data. Insights. Safer Tomorrow.