Our Affiliates
The San Joaquin Building Trades Council is a coalition of construction trade union affiliates that collectively represent over 12,000 men and women working in San Joaquin, Calaveras, Amador, and Alpine Counties.
BAC Local 3 CA
International Union of Bricklayers and Allied Craftworkers Local 3
Cement Masons Local 400
Operative Plasterers’ & Cement Masons’ Local 400
IBEW Local 595
International Brotherhood of Electrical Workers Local 595
Ironworkers Local 378
International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers Local 378
Boilermakers Local 549
International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers Local 549
District Council 16
International Union of Painters and Allied Trades District 16
Insulators Local 16
International Association of Heat and Frost Insulators and Allied Workers
LiUNA Local 73
Laborers' International Union of North America Local 73
Cement Masons Local 300
Operative Plasterers’ & Cement Masons’ International Association Local 300
IUEC Local 8
International Union of Elevator Constructors Local 8
Ironworkers Local 118
International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers Local 118
Operating Engineers Local 3
International Union of Operating Engineers Local 3

Roofers Local 81
United Union of Roofers, Waterproofers and Allied Workers Local 81
Sheet Metal Workers Local 104
International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers Local 118
Sign Display Local 510
Sign Display and Allied Crafts Local 510
UA Local 442
United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada Local 442














