CTLGroup is an internationally recognized engineering, architecture, and materials science consulting firm, providing expert technical services to clients across an array of industries. Our technical breadth allows us to see problems through multiple lenses, while our technical depth permits us to find unique solutions to complex challenges. The expertise of our technical staff is complemented by one of the largest and most comprehensive private materials and structural testing laboratories in the world. The combined strength of our consulting and laboratory capabilities under one roof allows us to deliver integrated technical solutions to our clients.

CTLGroup’s corporate history spans over 100 years, originating as a research and development laboratory specializing in concrete and cement-based materials and structures. Our service offerings have grown over the years to include structural engineering and evaluation, architecture and building science, materials science and engineering, mechanical engineering, forensic engineering, and emerging technology development. Throughout our history, CTLGroup experts have been involved in the development of advanced materials, contributed to the construction and preservation of global landmarks, investigated the cause of catastrophic failures, and helped with the recovery from impacts of natural disasters.

CTLGroup serves clients in an array of industry sectors, including buildings, civil infrastructure, industrial infrastructure, oil and gas/chemical, power, litigation and insurance, materials and products, and transportation.

No matter the industry sector, CTLGroup strives to provide our clients with high value, expert technical advice. We help our clients define problems, mitigate risk, understand “why”, and make informed decisions. 

Services for clients in New York, Michigan, and North Carolina are provided through CTL Engineers & Construction Technology Consultants, P.C.

Architecture

Construction

Materials

CTLGroup

CTLGroup's headquarters in Skokie, IL, United States

The Mount Prospect office focuses on engineering, technical support, and consulting services in construction and materials testing.

Mount Prospect

This department provides technical support and services to ensure the effective operation of systems and equipment.

Technical Services

The Engineering and Technical Roles team at CTLGroup is responsible for delivering expert engineering solutions across various sectors, including structural evaluation, materials science, and forensic analysis. Comprising a diverse group of specialists, including principal engineers, project managers, and petrographers, this team integrates their technical expertise with advanced laboratory capabilities to investigate complex engineering challenges, provide innovative design solutions, and ensure the safety and durability of structures and materials. Their work is critical in safeguarding infrastructure and supporting clients in making informed, strategic decisions.

Engineering and Technical Roles

The Leadership Team at CTLGroup plays a critical role in steering the company’s strategic direction and ensuring the integration of technical expertise across various divisions. Composed of senior executives and principal engineers, this team is responsible for fostering collaboration among departments, driving business development initiatives, and overseeing financial and operational performance. By leveraging their extensive industry knowledge, the Leadership Team ensures that CTLGroup consistently delivers high-value solutions to clients while maintaining the highest standards of innovation and quality in engineering and consulting services.

Leadership Team

This department provides comprehensive support for operational and administrative functions within the organization.

Administrative Services

This department focuses on the design, development, and implementation of engineering solutions.

Engineering Department

This department manages financial records, oversees compliance with accounting standards, and ensures accurate reporting of financial activities.

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Other teams

Engineering and Technical Roles

Leadership Team

Administrative Services

Engineering Department

Accounting Department