Commercial Steel Treating Corporation, ©2019
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Curtis Thermal Processing (CTP) was built in 2009 and is a wholly-owned heat treat facility of Commercial Steel Treating. CTP is located less than one mile from our Curtis Metal Finishing plant in Machesney Park Illinois.


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Statement of Limited Liability
MTI Statement of Limited Liability

Quality Certifications

This page contains PDF images of our Quality Certifications. You can right click the image or link below and select "Save Link As" and then choose where to save the file.

ISO 9001:2015

ISO is the short name for the International Organization for Standardization, a worldwide organization whose goal is to promote the development of standardization to facilitate the international exchange of goods and services. ISO sets operational and quality control standards for businesses in over 125 countries around world.

ISO9001:2015 Certification
A2LA Scope of Compliance & Accreditation: Mechanical Testing

The American Association for Laboratory Accreditation and Scope of Accreditation to ISO/IEC 17025-2005.

American Association for Laboratory Accreditation is a non-profit organization dedicated to the formal recognition of competent testing and calibration laboratories, inspection bodies, proficiency testing providers and reference material producers.

A2LA Scope and Certification