Largest North American Commercial Heat Treats August 2019

With the recent acquisition of Applied Process by Aalberts Industries of the Netherlands it became necessary to update our list of the largest commercial heat treaters in North America. While were at it we took the opportunity to add one new entry to our list and also make a couple of other changes. The updated list can be found at We will mention that it is now almost 20 years since “The Monty” put together our first list of the largest commercial heat treaters in North America. This is roughly the 6thupdate to our original ranking and like most things it gets better with age. It’s a difficult task ranking what are largely privately held companies with little desire to share sales figures however after all these years we are quite proud of the accuracy of this list. (note; we are not going to guarantee 100% but, in our conceit, we feel it is possible).  The basic criteria: 

-this ranking is based upon sales figures for 2018

-sales would include plants in the USA, Canada and Mexico (although Bodycote’s figures do not include their operations in Mexico)

-we are only considering companies whose core business is commercial heat treating. As an example, our understanding is that Commercial Steel Treating in Madison Heights, Michigan and their associated companies such as Curtis Metal Treating have sales in the area of $100 million USD per year. However, most of their sales are finishing as opposed to heat treating and for that reason we have excluded them.

-as a publicly traded company we have no issue sharing Bodycote’s sales figures, however we have refrained with all the others on this list.

-while we started off with a “Top 10” list it grew to a “Top 14” list as you can see. The reason being that some of these companies are so close in size that it is difficult to include one and exclude another.

-as always we appreciate comments and corrections and indeed look forward to them