The Monty’s 50 Largest North American Commercial Heat Treats 2021 – #23 Parker Trutec

​Since 1999 “The Monty” has been publishing annually a list of the largest commercial heat treaters in North America based upon annual sales, our 2021 list can be found at This year readers will see we became much more ambitious and expanded the list to the 50 largest. In our 23rd spot we have Parker Trutec.

Parker Trutec is a North American subsidiary of Nihon Parkerizing, a world leader in metal improvement technology. The Parker Trutec Group operates 6 facilities in the United States and Mexico which specialize in metal treatments and products that improve the resistance to wear, corrosion and fatigue of metal components. The company offers heat treating processes such as Gas Carburizing, Carbonitriding, Salt Batch Nitriding and Neutral hardening at two of it’s locations, Springfield, Ohio and Guanajuato, Mexico (note all processes are available at both locations). The Ohio location alone has over 20 furnaces.

Did you like this article? Click here to subscribe to The Monty.

View our recent magazines and podcasts by clicking the following link.