The boilermakers in San Francisco have a long history of organization. By 1867, a group
identified as the Journeymen Boilermakers' Protective Union became a part of the San
Francisco Trades' Union. They were among the founding unions of the Federated Iron Trade
Council of San Francisco in 1885
1. The International Brotherhood of Boilermakers, Iron Ship
Builders and Helpers was organized in 1893, and the San Francisco lodge received its
charter in 1900.