We’re Ready to Support Your Next Challenge

Whether you’re looking for a solution to a complex engineering problem, want to learn more about our services, or need to connect with a specific team, we’re here to help. CTLGroup’s multidisciplinary experts are available nationwide and ready to respond.

Ways to Reach Us

Give Us a Call

Need to speak with someone right away? Reach our team at 847-965-7500

Ask Us a Question

We take our laboratories into the field, offering an array of field testing, non-destructive evaluation, and instrumentation and monitoring capabilities.

Contact Us Form

Submit a Sample

Interested in submitting a sample for analysis? Download our sample submission form for guidance.

Sample Submission Form

Request an Insurance Claim Investigation

Need help with a claim? Use our investigation request form to get the process started.

Insurance Claim Request Form
  • Mount Prospect, IL (Corporate Headquarters)
    1660 Feehanville Drive Suite 300
    Mount Prospect, IL 60056
    Phone: (847) 965-7500
    Fax: (847) 965-6541
    Toll Free: (800) 522-2285
  • Mount Prospect, IL (Testing and Research Center)
    1050 E Business Center Drive
    Mount Prospect, IL 60056
    Phone: (847) 965-7500
    Fax: (847) 965-6541
    Toll Free: (800) 522-2285
  • New York
    505 8th Avenue Suite 701
    New York, NY 10018

    Toll Free: (800) 522-2285

  • Dallas / Fort Worth
    14601 Bellaire Boulevard
    Houston, TX, 77083

    Toll Free: (800) 522-2285

  • Atlanta
  • Doha, State of Qatar
    PO Box 12422 Al Kassarat Road, R/A 41
    Doha, Qatar

    +(974) 4037-0130

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