Commercial Steel Treating Corporation, ©2014
Printed on August 21, 2014 3:59 pm


We are very excited to announce the opening of Curtis Thermal Processing in Machesney Park, IL. CTP has the ability to neutral harden approximately 250,000 pounds of fasteners and stampings per day


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Welcome to Commercial Steel Treating

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Heat Treating Services at it's Finest

Commercial Steel Treating was founded in 1927 and has grown to become one of the largest commercial heat treating facilities in the USA. We offer a wide array of Heat Treating Services, which include; continuous and batch hardening, salt bath nitriding and gas nitriding just to name a few.

Commercial Steel Treating recognized the need for corrosion resistant coatings and Curtis Metal Finishing was founded in 1963 to offer this service. For more than 80 years and three generations of family ownership, our companies have built a reputation based on quality, workmanship and superior service. Whether we can supply your requirement or not, our technical staff will eagerly assist you with your Heat Treating and/or Metal Finishing needs.

Please feel free to browse our site and be sure to use our contact options if you have any questions.