Creative Solutions to Complex Problems in

Engineering and Materials Science

CTLGroup is a firm of engineers, scientists, consultants, technical specialists and architects who help our clients with complex challenges around the world. We serve clients in the global markets of: Energy & Resources, Green Solutions, Transportation, Litigation & Insurance industries, Materials & Products, and Buildings & Facilities.


Buildings & Facilities

When Bad Things Happen…

…to good buildings. Time takes its toll everywhere. Buildings are no exception. CTLGroup maintenance plans and service-life projections keep our buildings and facilities clients in business.

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Emergent Solutions

Solving Complex Unconventional Problems

Offering a suite of expertise and services that span multiple markets and disciplines.

Emergent Solutions

Energy & Resources

We Generate Solutions

Advances in technology provide promising alternatives for both old and new energy, as well as the development of natural resources. CTLGroup helps make those promises become reality.

Energy and Resources

Green Solutions

Reducing Energy Use and Impacts of Materials

Providing a comprehensive variety of services that support sustainability of the built environment.

Green Solutions

Litigation & Insurance

Because "Why" Matters

Proof. Fault. Resolution. Closure. These are, at once, desired results and motives in hiring construction litigation support. CTLGroup merges science with law when the discovery of cause is paramount.

Litigation and Insurance

Materials & Products

From Our Labs to the Marketplace

When development dollars are at risk, manufacturers come to us. When projects face complex challenges, engineering firms or contractors come to CTLGroup.

Materials and Products


Let's Get There Together

However you are traveling, CTLGroup may be helping you get where you are going. Our engineers and scientists have worked on highways, bridges, railroads, airports and seaports.


Water & Wastewater

Our Most Precious Resources

Much of the world's infrastructure is geared towards managing water. CTLGroup ensures that these facilities and systems run at optimal performance.

Water and Wastewater
Jeffrey Elks

Jeffrey Elks Joins CTLGroup

as Senior Chemist/Chemistry Laboratory Supervisor…
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Tonyan Participates in U.S. Trade Mission

Sponsored by the U.S. Department of Commerce…
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Tim Tonyan
University Hall Homepage

Restoring University Hall's Facade at the University of Illinois at Chicago

Over 50 years of harsh Chicago winters has taken its toll on…
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Serving Global Markets

CTLGroup has completed projects in all 50 states and over 70 countries.…

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Upcoming Events

Jan 10, 2016

Transportation Research Board 95th Annual Meeting

CTLGroup is attending the Transportation Research Board's 95th Annual Meeting January 10-14, 2015, at the Walter E. Washington
Feb 02, 2016

World of Concrete 2016

Join us at World of Concrete at the
Dec 04, 2015

Wisconsin Defense Counsel Winter Conference

CTLGroup is attending and exhibiting at the Wisconsin Defense Counsel's (WDC's) Winter Conference at the Hilton Milwaukee
Apr 12, 2015

American Concrete Institute Concrete Convention and Exposition

ACI conventions are dedicated to improving the design, construction, maintenance, and repair of concrete structures. Conventions
Jan 11, 2015

Transportation Research Board 94th Annual Meeting

CTLGroup is attending the Transportation Research Board's 94th Annual Meeting held in Washington, D.C. at the Walter E. Washington
CTLGroup is an internationally-recognized expert consulting engineering and materials science firm that provides engineering, testing and scientific services to our clients across the globe. Our engineering expertise is complemented by one of the largest and most comprehensive private material and structural testing laboratories in the world. Our experts can address problems from the materials and structural perspectives to deliver an integrated solution.