NorCal Welding Trellis

structural Welding

NorCal Welding, Inc. is a structural welding contractor servicing the Bay Area and Central Valley. Our team of operators carry structural and pipe certifications. We serve government, industrial, commercial and residential markets. Our facility is equipped to handle fabrication and repair projects in Aluminum, Stainless Steel, Cast Iron and Carbon Steel. We are fully insured with general liability, workers compensation and commercial automobile coverage.

Structural Welding Contractor!

  • Veteran-Owned Business
  • Certified Small Business for Public Works
  • CSLB# 989501 (C60 Welding)
  • D1.4 Certified (Rebar Certification)
  • D1.8 Certified (Seismic Certification)


Welding contractors provide a variety of welding and fabrication services in various industries. Our welding operators are certified through AWS and ASME with multiple processes and various metals. Below is just a sample of what we do:


Structural Welding

We work with prime contractors to provide D1.1 and D1.8 welding on new construction as well as tenant improvements. We’ve completed projects for City of Tracy, City of Oakland, Caltrans, Shell Pipeline, San Jose Police Department, Tracy Defense Depot and United Parcel Service.

Pipe Welding

Pipe Welding

From natural gas lines to water lines, our certified welders have installed pipe for Shell Pipeline, East Bay MUD and the United States Coast Guard. We also weld stainless steel pipe and high pressure pipe.

Handrail Repair at Hellyer Park

Mobile Welding

We provide onsite repair services to commercial and residential customers within the Bay Area and Central Valley. Our service trucks are equipped with a Miller Trailblazer 302 Air-Pak and a Lincoln Vantage 400. These units provides up to 500 amps for welding or carbon arc gouging.

Carquinez Bridge Welding

Plasma Cutting and Air Carbon Arc Gouging:

We provide plasma cutting and gouging services on metals up to 1″ thick. Unlike Oxy-Acetylene cutting which only cuts carbon steel, plasma cutters will cut through rust and any metal that conducts electricity including aluminum and titanium.

About Us

With a legacy spanning 15 years of excellence, NorCal Welding stands as a paragon of expertise in a diverse array of welding disciplines. We have cultivated a profound specialization in structural welding, pipe welding, mobile welding services, as well as precision techniques like plasma cutting and arc gouging. We are a dedicated team of state licensed welding professionals. This combination of skill and official recognition underscores our commitment to delivering unparalleled quality and precision in every project we undertake.


Our partners