Business Details
Emergency
services
Trusted Engineering and Materials Science Experts
CTLGroup is a multidisciplinary engineering, architecture, and materials science firm renowned for tackling technically demanding projects globally. With a 51,000 sq. ft. state-of-the-art laboratory and a legacy of innovation, we bring unmatched depth to every investigation, analysis, and solution. Our team of engineers, scientists, and consultants offers unrivaled experience in materials and structures, providing forensic analysis, expert testimony, and consulting services. We deliver world-class materials testing and structural mechanics consulting in-house, assembling tailored, integrated teams to meet client needs seamlessly.Our proven investigative processes, combined with a commitment to quality management systems, ensure clients receive accurate, reliable answers the first time. Accredited by AASHTO, ISO/IEC 17025, and ISO 9001, we maintain U.S. Army Corps of Engineers validated lab status and adhere to rigorous standards. Our services span building science, concrete and cement-based materials, materials science, structural engineering, and transportation laboratory testing. With locations in Mount Prospect, IL, New York, NY, and Doha, Qatar, we provide nationwide and international support for complex engineering challenges.
Services
Structural Engineering
Materials Testing
Building Science Consulting
Concrete Analysis
Forensic Investigations
Petrography Services
Transportation Laboratory Testing
Nondestructive Evaluation
Expert Testimony
Failure Analysis
Highlights and features
- State-of-the-art 51,000 sq. ft. materials testing laboratory
- Multidisciplinary team of engineers, scientists, and consultants
- AASHTO and ISO/IEC 17025 internationally recognized accreditations
- Tailored integrated teams for specialized project requirements
- Proven investigative processes with 100% accuracy focus
Associations and certifications
- AASHTO
- ISO/IEC 17025
- ISO 9001
- U.S. Army Corps of Engineers validated lab
- 10 CFR 50, Appendix B
- NQA-1
Services
Structural Engineering
Our structural engineering services provide comprehensive evaluation of building systems and infrastructure. We conduct detailed structural analysis, load capacity assessments, and failure investigations using advanced testing methodologies. Clients benefit from our expertise in seismic retrofitting, bridge evaluation, and structural health monitoring for enhanced safety and compliance.
Materials Testing
CTLGroup's materials testing services evaluate concrete, cement-based materials, polymers, and metals in our ISO-accredited laboratories. We perform chemical analysis, mechanical testing, and microstructural evaluation to determine material properties and failure mechanisms. Clients receive actionable data for quality control and material optimization in construction projects.
Forensic Investigations
Our forensic investigation team specializes in determining root causes of structural failures and material defects. Using nondestructive testing and advanced microscopy techniques, we provide detailed reports with repair recommendations. Clients rely on our expert testimony services for litigation support and insurance claims resolution.
Building Science
CTLGroup's building science consultants optimize energy efficiency and durability of structures. We conduct envelope performance assessments, moisture intrusion analysis, and code compliance evaluations. Our solutions improve building longevity while reducing operational costs through data-driven recommendations.
Concrete Analysis
Our concrete analysis services include mix design optimization, petrographic examination, and durability testing. We evaluate hydration levels, chemical composition, and mechanical properties to ensure compliance with ASTM standards. Clients receive customized solutions for concrete repair and specification development.
People
Dennis McCann
President
PhD in Materials Science with 25+ years of experience leading engineering teams. Specializes in structural diagnostics and laboratory operations. Holds multiple patents in concrete technology and serves on ACI technical committees.
David Corr
Vice President of Consulting Services
Licensed Professional Engineer with expertise in structural failure analysis. Leads multidisciplinary teams for complex forensic investigations. Published researcher in cementitious materials durability and repair systems.
Boyd Clark
Vice President, Laboratory Services
PhD in Civil Engineering with 20+ years managing materials testing laboratories. Oversees ISO/IEC 17025 accredited operations and develops advanced testing protocols for construction materials.
Thomas Plange
Vice President of Business Development
20-year veteran in engineering consulting with focus on infrastructure projects. Manages client relationships for transportation and energy sector clients. Expert in structural health monitoring systems.
Jennifer Quirke
Director of Marketing and Communications
Marketing executive with 15+ years in the engineering industry. Develops strategic communications and technical marketing materials. Manages brand positioning and client engagement initiatives.
Questions
What engineering services does CTLGroup provide?
We offer structural engineering, materials testing, forensic investigations, building science consulting, and concrete analysis services for construction and infrastructure projects.
Are your laboratories accredited?
Yes, our facilities hold AASHTO, ISO/IEC 17025, and ISO 9001 accreditations with U.S. Army Corps of Engineers validated lab status.
Do you handle emergency engineering evaluations?
Yes, we provide urgent response services for structural failures and material defects through our dedicated emergency support line.
How do I submit samples for testing?
Download our sample submission form from the website or contact our laboratory services team for packaging and shipping instructions.
Where are your offices located?
We operate from Mount Prospect, IL; New York, NY; and Doha, Qatar with nationwide and international project capabilities.
Can you assist with litigation support?
Our experts provide forensic analysis, expert testimony, and technical reports for legal proceedings involving construction defects and structural failures.
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