Where Engineering Insight Meets Scientific Rigor

Founded in research. Evolved through innovation. Trusted by industry leaders. CTLGroup is a multidisciplinary firm solving complex structural and material challenges with unmatched depth and precision.

What We Do

As a multidisciplinary firm of engineers, scientists, architects, and technical specialists, we deliver integrated solutions for materials and structural challenges, spanning consulting, testing, failure analysis, and expert testimony.

Consulting Services

  • Building Science
  • Concrete & Cementitious Materials
  • Materials Science & Engineering
  • Structural Engineering & Evaluation

Laboratory & Field Testing

From our 52,000ft² Mount Prospect facility (relocated in Jan 2024), we offer:

  • Analytical chemistry, fatigue & mechanical testing, petrography, nondestructive evaluation
  • Large-scale structural testing
  • Environmental monitoring and instrumentation

CTLGroup New York

Learn more about our New York team and services:

  • Identify Problems
  • Avoid Issues
  • Find Resolution

CTLGroup provides pragmatic and sustainable solutions throughout the life-cycle of structures and infrastructure.

We Assembled & Maintain a Robust Quality Management System

Our dynamic Quality Management System (QMS) processes provide the framework for monitoring, measuring, and improving everything we do. Because of this, we have been able to attain AASHTO and ISO/IEC 17025 accreditations, ISO 9001 certification, U.S. Army Corps of Engineers validated lab status, and a QMS that meets the requirements of 10 CFR 50, Appendix B and NQA-1. CTLGroup’s AASHTO accreditation applies specifically to services and test methods conducted at our Mount Prospect laboratory, in accordance with the standards outlined in our official accreditation listing.

Our Testing & Research Laboratories are Internationally Recognized

Materials Laboratory

Our materials lab offers comprehensive testing of concrete and cement-based materials and constituents, including determination of physical properties and analytical chemistry. We also evaluate polymer-based and metallic materials.

Field Testing & Evaluation Capabilities

At CTLGroup we take our laboratories outside, offering an array of field testing, non-destructive evaluation, and instrumentation and monitoring capabilities.

Microscopy / Petrography Laboratory

We have one of the largest and most respected microscopy and concrete petrography departments in the world providing extensive experience related to critical and complicated petrographic needs.

Structural & Transportation Laboratory

Our structural and transportation laboratory competes in scale and scope with academic research laboratories. We perform static and dynamic testing on rail, industrial, and bridge structural components and systems.

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