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. Building 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 they 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
Doubling Down

Doubling Down

An innovative approach to repairs more than doubles the life of a seemingly-doomed…
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CTLGroup Welcomes Scott Keim as Laboratory Services Manager

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Scott Keim
Brian Neuffer

Brian Neuffer joins CTLGroup as Director of Contracts & General Counsel

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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

Apr 03, 2014

Rich Kaczkowski Presents at Anatomy of a Construction Claim

Rich Kaczkowski, PE, Senior Principal Structural Engineer, is one of eight program presenters at the State Bar of

Mar 23, 2014

Vicki Jennings Presents at at ACI Spring 2014 Convention

Vicki Jennings, Senior Petrographer, is presenting "Thaumasite Sulfate Attack of Precast Concrete Retaining Wall Units"

Mar 06, 2014

John Gajda Presents at Virginia Concrete Conference 2014

 John Gajda, PE, Senior Principal Engineer, presents at the 2014 Virginia Concrete Conference on March 6-7. The event,

Jan 21, 2014

CTLGroup at World of Concrete 2014

CTLGroup will exhibit at World of Concrete, January

CTLGroup is an internationally-recognized expert consulting engineering and materials science firm that provides engineering, testing and scientific services to our clients in the Building & Facilities; Energy & Resources; Litigation & Insurance; Materials & Products; Transportation; and Emergent Solutions markets. Our 105-person staff includes professionals from the fields of civil, structural and mechanical engineering, architecture, geology, chemistry, ceramics and materials science. Our ability to deliver unique insights and solutions for our clients’ complex challenges is what makes CTLGroup an industry leader. Serving clients from around the globe, CTLGroup maintains corporate offices and laboratories in Chicago (Skokie, Illinois) and consulting offices in Washington, D.C., Austin, Texas, and Naperville, Illinois. Services for clients in New York and North Carolina are provided through CTL Engineers & Construction Technology Consultants, P.C.