TTL History


In 1964, Tuscaloosa Testing Laboratory was founded. Our work consisted of testing concrete cylinders. As our services and locations expanded, Tuscaloosa Testing Laboratory became TTL, Inc. in 1985. Today, our services include geotechnical engineering, analytical laboratory testing, construction materials testing and environmental consulting. TTL has 7 offices throughout the southeast which includes Tuscaloosa, Montgomery, Decatur, AL; Albany & Valdosta, GA; Nashville, TN; and San Antonio, TX.

Throughout our history, TTL has operated with one guiding principle; help our clients be successful and we will be successful. For half a century, we have continually provided innovative and cost effective solutions to the concerns and challenges faced by our clients on projects nationwide.

Whether your project involves building a world class automotive facility, creating a better environment for education, overcoming an environmental regulatory hurdle or facing a treatment challenge for your city’s drinking water supply; TTL can be counted on to provide your team with geotechnical engineering, analytical laboratory testing services, construction materials testing, environmental consulting.


TTL’s diverse staff of chemists, geologists, engineers, and biologists bring together specialized skills, insights and experience. By remaining alert to new technologies and attuned to changing regulatory trends, our staff demonstrates their commitment to providing innovative and value-based solutions.