International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers

Boilermakers
International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers
Predecessor	International Brotherhood of Boiler Makers and Iron Ship Builders; National Brotherhood of Boiler Makers; United Cement, Lime, Gypsum and Allied Workers International Union; Stove, Furnace and Allied Appliance Workers International Union; Western Energy Workers; Metal Polishers, Buffers, Platers and Allied Workers International Union;
Founded	1880
Headquarters	Kansas City, Missouri, United States
Location	United States, Canada;
Members	49,491 (2018)
Subsidiaries	International Brotherhood of Boilermakers Campaign Assistance Fund; International Brotherhood of Boilermakers Legislative Education Fund; International Brotherhood of Boilermakers Archives; International Brotherhood Cajun Realty Corporation; International Brotherhood Building Corporation; International Brotherhood Real Estate Holding Company LLC;
Affiliations	AFL–CIO, NABTU
Revenue	$41,167,054 (2014)
Expenses	$40,578,455 (2014)
Employees	101 (2013)
Website	boilermakers.org
Formerly called	Brotherhood of Boiler Makers and Iron Ship Builders of America; International Brotherhood of Boilermakers, Iron Ship Builders and Helpers of America;

The International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers (IBB) is a trade union in the United States and Canada. It is for boilermakers and related occupations, and is affiliated with the AFL–CIO.

The Boilermakers union has a four-year apprenticeship training program before becoming a Journeyman. Boilermakers primarily work in nuclear and fossil power plants. However they also work in shipyards, refineries, chemical plants, manufacturing, and the rail and cement industries. The work involves welding, rigging and fabricating.