Certified Welding Contractors

Certified Welding Contractors Serving Pennsylvania and Beyond

Code-Compliant Welding You Can Rely On

Wahl's On-site Welding And Repair LLC provides certified welding services that meet industry standards for safety, durability, and performance. Whether you need structural steel joined to code, industrial equipment repaired under compliance standards, or mine-site welding that passes inspection, our team delivers.


We are MSHA 42 certified and fully insured, with over 18 years of practical field experience across construction, mining, and industrial sectors. Every weld is backed by certification and performed with precision.

A man is working on a truck in a garage.

What It Means to Work with Certified Welders

  • Knowledge of Welding Codes and Standards

    We understand and apply AWS, ASME, and OSHA guidelines, ensuring each weld meets technical and safety specifications.

  • Structural Welding Expertise

    From I-beams to support brackets, we provide code-compliant welds that support critical loads and pass inspection.

  • Qualified for Industrial, Mining, and Field Work

    Our team is trained and certified for a wide range of jobsite conditions, including confined space and elevated work.

  • Proven Documentation and Job Records

    Upon request, we provide welding records, procedures, and inspection-ready documentation for project validation.

MSHA Certified and Field-Tested

Our MSHA 42 certification allows us to legally and safely operate on mine sites, both underground and surface. We follow all federal safety regulations, making us a trusted partner for mining companies, aggregate plants, and resource operations throughout the Northeast.

Our Certifications and Credentials

  • Certified Welding Contractor (CWC)
  • MSHA 42 Certified for mine safety
  • OSHA safety compliant
  • Fully insured for all commercial and industrial job sites
  • Over 18 years of welding experience in the field

We take pride in staying current with safety training, material knowledge, and code updates across the industries we serve.

Why Use a Certified Welding Contractor

Why Us?

  • Meets regulatory and project specs

  • Ensures structural integrity and safety

  • Reduces liability and inspection failures

  • Required for many industrial and commercial jobs

  • Essential for high-risk environments like mining and construction

Uncertified welds may cost less upfront, but the risks of structural failure, fines, and jobsite shutdowns are far more costly.

Frequently Asked Questions

  • Do you work with engineers or inspectors?

    Yes. We often collaborate with engineers, site managers, and inspectors to ensure our work meets the required specs and standards.

  • What types of certifications do you hold?

    Our lead welder holds MSHA 42 certification and we are certified to complete structural and industrial code-compliant welding.

  • Are your welders qualified for structural jobs?

    Yes. We are experienced with structural welding and regularly complete load-bearing and frame-weld projects.

  • Can you provide documentation for your welds?

    Yes. We can provide WPS (Welding Procedure Specifications), visual inspections, and job records if required.

Hire Certified Welding Professionals You Can Trust

Get certified welding done right the first time. Contact Wahl's On-site Welding And Repair LLC to ensure your jobsite is compliant, safe, and built to last.