Weldnco General Contractors LLC
WeldNCo Fabrication manufactures nuclear-grade welded and fabricated components for critical energy systems, including heat exchangers, hydrogen systems, and modular small modular reactor (SMR) assemblies. The company uses AI-assisted welding, robotics, advanced process control, continuous nondestructive examination, and digital twin technology with model-based definitions for traceability and quality assurance. It serves the nuclear energy and hydrogen infrastructure industries and holds ASME Section IX, TEMA/HEI, NQA-1 aligned, and ISO 9001 principles certifications.
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Weldnco General Contractors LLC | Washington | AR | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


