PNL provides the most comprehensive welding qualification services in the Southwestern United States. Our certification program isISO/IEC 17025:2005E accredited as well as being in conformance with AWS, ASME, API and AMS welding standards. Our experts can provide you with welder and procedure qualifications that are in accordance with code and project quality requirements. We maintain a fully equipped weld and test facility that is available to your welders based on your project demands.

Welder Training and Instruction

  • Provide Assessment of Skill Level
  • Provide Guidance and Training in Welding Processes
  • Skill Upgrades
  • Preparation for Qualification Tests

Welding Consulting

  • ASNT Level III Consulting, Training
  • ASME R Stamp Consulting
  • Engineering Available
  • Certified Laboratory
  • Manufacturing Applications
  • Robotic Applications

Welding Technology

Welding Procedure Specifications (WPS/Development)

  • SMAW (Stick) - GTAW (TIG) - FCAW (Flux Core) - SAW (Subarc) - GMAW (MIG)
  • Tailoring each WPS to the Customers Application
  • Providing the widest range possible within the needs and capabilities of our clients
  • On Staff Welding Engineer
  • On Staff Certified Weld Inspectors (CWI)
  • Pre-Qualified Welding Procedures
  • Qualified Welding Procedures
  • ​Standard Welding Procedure Specifications (SWPS)
  • Manufacturing Applications
  • Semi-Automatic Welding
  • Robotic Welding


  • Bend Testing
  • Tensile Testing
  • Macro Etch Testing
  • Fillet Weld Break Tests
  • Twist Test
  • Notch Toughness Test
  • Charpy V Notch Tests
  • Hardness

Procedure Qualification Testing (PQR)

  • Recording Data During PQR Welding
  • Welding Standards AWS, ASME IX, API, CWB
  • Fully Equipped Laboratory
  • Metal PQR Coupon Sourcing
  • "Specialized" Inner Pass Temperature Equipment
  • Post Weld Heat Treatment (PWHT)

We are excited to work with you!

If you are interested in our services, Contact us today! 


  • Visual Examination (VT)
  • ​X-Ray (RT)
  • Ultrasonic Testing (UT)

Welder Qualification

  • SMAW (Stick) - GTAW (TIG) - FCAW (Flux Core) - SAW (Subarc) - GMAW (MIG)
  • Structural Steel, Sheet Steel, Rebar, Pipeline, Boiler Tube Sheet, Brazing, Soldering, Deck Welding Qualification, HDPE Pipe
  • Eight Welder Test Booths
  • Individual and Group Welder Qualification Testing
  • Onsite Welder Qualification Testing Administration
  • Certified Welding Inspectors Oversee Welder Qualifications
  • PNL Provides Lincoln Welding Machines and Electrodes
  • ​Weld Machines are well maintained and calibrated annually
  • Most Testing is Completed by inexpensive X-Ray Process

Related Services

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