Certified Structural Welding Repairs

Precision Mobile Line Boring & Infield Machining Services

OSHA, AWS and MSHA certified

AWS D1.1 certified structural welding repairs that meet the highest industry standards

J.R. Smith Welding Service, Inc. provides AWS D1.1 certified structural welding repairs that meet the highest industry standards. Every project follows engineered repair procedures and is inspected for quality to ensure strength, safety, and reliability. Our certified welds are designed to last the full service life of your machinery, minimizing downtime and maximizing performance. We proudly serve industries across Pennsylvania, New Jersey, New York, Delaware, and Maryland, with the ability to travel further when specialized, certified repair solutions are needed.

Why Trust J.R. Smith with Your Machining?

Infield machining requires a unique blend of surgical precision and industrial strength. Since 1986, we have specialized in performing these high-tolerance repairs in unpredictable field conditions. By utilizing advanced boring bar systems and custom-engineered mounting setups, we ensure your bores are perfectly concentric and your surfaces are perfectly flat.

Service Area & Availability

With coverage across the Mid-Atlantic, our mobile machining teams are available for both scheduled maintenance and emergency breakdown support. We follow OEM-approved repair procedures to ensure your equipment returns to service in peak operational condition.