CTLGroup Email Format

Civil EngineeringIllinois, United States51-200 Employees

CTLGroup is a civil engineering consulting and testing firm with more than a century of experience, offering structural condition assessment, forensic engineering, and construction materials testing. It operates accredited laboratories alongside expert consultants in engineering, architecture, and science, and has completed projects in 70+ countries. The organization holds ISO 9001 certification, with ISO 17025 and AASHTO-accredited labs that support reliable materials characterization, failure analysis, and infrastructure performance.

Based in Mount Prospect, Illinois, CTLGroup serves clients in the built environment seeking objective, research-based solutions to enhance safety, durability, and value. The firm maintains a global reach and has seen leadership updates in recent years, including the promotion of David Corr to Vice President, Consulting Services in late 2023.

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