About Us

Ironworkers Union Local 378
3120 Bayshore Rd
Benicia CA 94510
707-746-6100 or 707-746-6124
Fax: 707-746-0979
unionofficedirect@ironworkers378.org

• Union Ironworkers are specialists, providing contractors and owners the highest quality craftwork on every project.
• Some of the most high-profile buildings, bridges, monuments, stadiums and sports arenas were built by members of the International  Association of Structural, Ornamental and Reinforcing Ironworkers.

•  These are just a few of the areas we work in:

  • Structural steel
  • precast concrete
  • metal buildings
  • reinforcing steel
  • ornamental iron
  • fabrication
  • curtain wall
  • welding and rigging
  • machinery moving
• Union ironworkers of Local 378 learn their craft in a federally-approved apprenticeship program.
• The 378 and 377 joint apprenticeship is located at 3150 Bayshore Rd in Benicia.
• We have the best school in the District Council!
• Union Ironworkers don't have a job; they have a career!
• Ironworkers are commited to delivering a quality product.
• The men and women of the Ironworkers take pride in being the best Ironworker they can be.

BUILDING A SKYSCRAPER OR BUILDING A CAREER: UNION IRONWORKERS TAKE PRIDE IN THEIR CRAFT AND IN A JOB WELL DONE!