Engineering Excellence Since 1959

Heritage of Excellence,
Legacy of Precision

Geotechnical Engineering

Building on
Solid Ground

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Construction Materials Testing

Quality Assurance
You Can Trust

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Environmental Engineering

Protecting Our
Environment

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Engineering Excellence Since 1959

Associated Testing Laboratories is a full-service geotechnical engineering, construction materials testing, and environmental engineering firm. Since 1959 we have been delivering reliable results that form the foundation of Houston's most important infrastructure projects. Our commitment to quality, integrity, and innovation drives everything we do.

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Houston skyline at night — engineering excellence since 1959
Geotechnical drilling equipment on site

Building on Solid Ground

Our geotechnical engineering team provides subsurface investigations, foundation design recommendations, and construction oversight for projects ranging from residential developments to major infrastructure. We bring decades of local soil knowledge to every project.

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Quality You Can Build On

From concrete and soil testing to asphalt and structural steel inspections, our CMT laboratory and field teams ensure every material meets specification. Our state-of-the-art lab delivers accurate, timely results that keep your projects on track.

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Concrete test cylinders prepared for compressive-strength testing
Environmental site assessment — protecting what matters

Protecting What Matters

Our environmental engineering services include Phase I and Phase II Environmental Site Assessments, soil sampling and groundwater monitoring, and regulatory compliance support. We help clients navigate environmental requirements with confidence.

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The projects that built Houston

From the Hobby Center for the Performing Arts and the Toyota Center to MD Anderson Cancer Center, the Ship Channel Bridge, Beltway 8, and Saks Fifth Avenue at the Galleria, our team has stood behind the foundations, materials, and environmental work on the structures that define the Houston skyline. Testing this ground since 1959, one city we helped build.

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Houston landmark at dusk — a project built with Associated Testing Laboratories

Decades of engineering excellence

Associated Testing Laboratories personnel on site
Bridge construction field work
Associated Testing Laboratories crew in the field
Construction materials testing in the field
Texas Medical Center at sundown
Texas Medical Center skyline
ATL personnel on a project site

Let's build something that lasts

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Team members collaborating on engineering projects

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