the Vision

Our vision is to equip the next generation of sheet metal workers with a combination of skills and technology that assure a secure future for members and employers alike.

the Mission

Our mission is to efficiently deliver quality training that sets the standard for our industry, prepares our students for success, and assures our employers an efficient and productive workforce.

1885

Sheet Metal Workers organize in San Francisco

1903

Local Union No. 104 Chartered in Bay Area

1904

Local Union No. 67 merges with Local Union No. 104

1906

The Union Headquarters, the Tin Can, is built in San Francisco

1974

Local Union No. 75, 497 merged with No. 104

1982

Local No. 216 and Local No. 272 merge with Local No. 104

1986

Local No. 309 merges with Local No. 104