The National Board has announced 1,563,665 registrations of boilers, pressure vessels, attachments, and nuclear equipment for fiscal year 2008 (July 1, 2007-June 30, 2008).
The National Board maintains manufacturers' data reports on all boilers and pressure vessels registered with the National Board. Each report includes the name of the manufacturer, the item's National Board number, material specifications, and other technical information.
The National Board began registering boilers and pressure vessels in 1921. Since then, 43,144,686 registrations have been filed and maintained.
Additional registration information can be found in the fall 2008 BULLETIN.