Welding. Fabrication. Equipment Solutions — Built for Oil & Gas.

  GDN is a premier full-service fabrication and welding company located on the edge of oil country in Central Ohio, strategically positioned to serve the Marcellus and Utica shale regions and beyond. We specialize in custom fabrication, precision machining, and oilfield equipment support for clients throughout the U.S.

With deep roots in the energy and manufacturing sectors, we provide high-performance solutions for demanding environments. Whether you're operating in the shale fields of the Northeast or the basins of West Texas, our mission remains the same: exceptional quality, dependable service, and results that last.

We specialize in manufacturing high-quality components and assemblies tailored to customer specifications across a wide range of industries — with a strong emphasis on the oil and gas sector. From pressure-rated weldments and structural steel packages to field-ready equipment and rig components, we understand the unique demands of energy operations and deliver solutions that perform in the harshest environments.

Our experienced team of engineers, certified welders, and skilled technicians collaborate closely on every project to ensure:

• Optimal functionality and structural integrity
   
• Strict adherence to industry codes and specifications
   
• Reliable performance under demanding field conditions
   

Whether fabricating complex assemblies, refurbishing well control equipment, or machining critical rig parts, GDN Welding LLC takes pride in our customer-centric approach and commitment to excellence.

GDN Welding LLC maintains professional qualifications that reinforce our dedication to quality and compliance:

• ASME Section IX (Pressure Welding)
   
• AWS Certified – Structural Welding