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 https://themonty.com/project/50-largest-north-american-commercial-heat-treats-2021-2/ This year readers will see we became much more ambitious and expanded the list to the 50 largest. In our 31st spot we have Century Sun Metal Treating, Traverse City, Michigan.

You would not expect to find one of the largest commercial heat treaters in North America in Northern Michigan, however such is the case with Century Sun Metal Treating which for over 30 years have been offering heat treating services in Traverse City, Michigan. Century Sun (which is part of a larger group) has a great deal of vacuum and plasma nitriding capacity which they use to service a wide variety of industries.

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