What is the National Certified Pipe Welding Bureau (NCPWB)?

NCPWB is a subsidiary of MCA America. It provides the tools you need as a contractor to ensure that your piping installations meet or exceed codes and state regulations.

NCPWB Application for Membership


Membership Requirements
  • Be a mechanical contractor who is regularly engaged in the fabrication or erection of piping systems.
  • Must be signatory to a labor agreement with the United Association of Journeymen & Apprentices of the Plumbing & Pipefitting Industry (United Association or UA for short).
  • Be a member of a local chapter of the NCPWB where available before joining the national organization.

Click here to view the NCPWB webpage on the MCAA site.