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Accredited Testing & Inspection
TL-342 and AA-735


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The International Accreditation Service (IAS) is a non-profit, public benefit corporation and a leading accreditation body in the United States.  The accreditation process measures our services against international standards, ensuring our competency and accuracy.  An IAS stamp of approval, or accreditation, means you can be confident that the services CTL | Thompson, Inc. is providing meets the most stringent of standards. It’s no wonder CTL | Thompson, Inc. is currently the only laboratory in the world accredited to provide ICC certification testing and support for the full requirements for helical piles (AC358) and other products.  


With an extensive background in manufactured steel foundation and construction product design and manufacture, having your products tested by an accredited laboratory means your clients are receiving a quality product, and will help raise the bar for entry in your market and place you above your competition. We work with you to tailor a testing program that meets your specific needs. We consider you a partner in our testing program. As an outgrowth of our laboratory testing experience, CTL | Thompson sought out, and achieved the accreditation necessary to assist our clients to obtain product evaluation reports.  The goal is a published Evaluation Report for your product, and our job is to help you get there.


Manufactured foundation and construction products are a relatively new and competitive industry with innovative product features being constantly developed. Your products and plans are held strictly confidential and will at no time be available to your competition. Although we encourage clients to visit our facilities, we insist on prior notification and arranged meeting dates to ensure products currently being tested are completely protected. We afford this level of business protection to all of our clients.

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