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About Us

About Us


Our Story

National Thermal Processing was started in 2013 by Russell Thayer & Brendon Welsh after working for a combined 25+ years in the heat treating industry.  Their expertise in heat treating combined with their all electric facility has set National Thermal Processing up to become the top heat treating company in Southern California.

Our Quality Policy

National Thermal Processing shall deliver the services and product that meet the customer's requirements. National Thermal Processing commits to continuous improvements by training its people, upgrading equipment, eliminating nonessential practices, and creating a quality conscious environment.


Our Team

Our Team

Russell Thayer


Brendon Welsh

General Manager