Industrial ethanol piping system with valves, pumps, and a yellow label reading 'ETHANOL'. Mounted on a concrete platform, surrounded by a metal safety railing, with storage tanks in the background under a clear blue sky.

Our Capabilities

Earthquake Welding

We are a certified pipe welding contractor based in Phoenix Arizona, delivering safe, precise, and dependable pipe welding, fabrication and facility solutions for the natural gas, petroleum, and mechanical piping industries. With over two decades of field-proven experience, we serve as a trusted partner for high-pressure systems, complex infrastructure, and critical facility operations. Safety is not a guideline—it’s the core of every weld we make.

Petroleum Tank Farm & Terminal Services

We provide expert pipe welding and maintenance services for fuel storage and transfer systems within active petroleum terminals and bulk tank farms—ensuring operational reliability and terminal safety. Earthquake Welding has been a trusted contractor for the largest independent motor fuels terminal in the U.S. Southwest for 20+ years, which is a testament in our teams dedication to quality, safety and performance in everything we do.

Capabilities include:

  • Welding of fuel-grade carbon steel and stainless steel piping

  • Product transfer lines, manifolds, and pump station systems

  • Loading rack piping, ethanol blending manifolds, and vapor recovery lines

  • NFPA-compliant fire foam system installation and maintenance

  • Tank farm expansion, line tie-ins, and terminal modifications and general maintenance

  • Safety-first approach in hazardous, fuel-sensitive environments

  • Scheduled terminal maintenance and emergency shutdown support

Natural Gas Distribution Sector

With a reliable team of pipe welders, we support the construction and maintenance of Arizona’s natural gas, petroleum and utility pipeline infrastructure with strict adherence to safety protocols and tier one standards.

Capabilities include:

  • High-pressure pipe welding for transmission and distribution lines

  • Regulator stations, meter runs, and utility facility tie-ins

  • Valve assemblies, hot taps, and live gas system connections

  • Emergency pipeline repairs and integrity upgrades

  • Compressor station piping and utility support systems

  • Work performed/certified to API 1104 and ASME B31.8 standards

  • Full compliance with utility and DOT welding specifications

At Earthquake Welding, we deliver safety-first, precision-driven pipe welding services for critical infrastructure across Arizona. From natural gas pipeline welding to petroleum tank farm systems and complex mechanical piping, our certified pipe welders bring proven expertise to every job. We don’t chase volume—we take on projects that align with our strengths, so our clients get a focused, highly skilled team committed to doing it right the first time. The result: fewer delays, stronger welds, and lasting performance where it matters most.

Mechanical Piping Systems

Our team of experienced pipe welders supports mechanical and industrial contractors with high-quality welding for process piping, hot tapping and facility systems.

Capabilities include:

  • Chilled water, condenser water, and welded HVAC piping systems

  • Stainless steel and process piping for industrial facilities

  • Equipment and utility pipe welding for manufacturing environments

  • Sanitary and high-purity piping installation

  • Onsite fabrication and field installation of racks, skids, and pipe spools

  • Seamless coordination with project teams for efficient delivery

  • Hot taps on live piping systems

Logo for Earthquake Welding Inc. featuring a stylized welding helmet in black above the company name, with 'Earthquake' in red and 'Welding Inc.' in black.

Contact us

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