Houston Based Geotechnical, CMT, Phase I ESA and CMT Services

SERVING Houston and southeast texas SINCE THE 1960s

Core Services

Geotechnical Engineering

CTL specializes in geotechnical engineering services that support safe and cost-effective project development. Through site-specific soil and groundwater investigations and a thorough understanding of subsurface conditions, our engineers provide reliable subsurface information and practical engineering recommendations to support informed design and construction decisions

Drilling Services

CTL operates a versatile fleet of truck-mounted and buggy rigs capable of accessing limited-access and difficult terrain throughout the region. Our crews prioritize efficiency, precision, and safety to recover reliable subsurface data, ensuring your engineering team has the accurate site intelligence required to mitigate risk.

Environmental Services

The Environmental Site Assessment (ESA) is crucial in determining the environmental condition of your site. Separated into phases, the Environmental Site Assessment includes extensive research of the project site and on-site analysis of the land. With our research and recommendations in hand, you will be well-equipped to make informed decisions

Construction Materials Testing

CTL provides comprehensive material testing for concrete, soil, and asphalt, ensuring strict adherence to ASTM standards. Backed by our laboratory, our experienced field technicians verify quality on-site to ensure performance, compliance, and the long-term integrity of your construction project.

Who We Serve

Home Builders & Developers

From lot development to final inspection, we provide fast, accurate testing and geotechnical support to keep residential projects on schedule and in compliance.

Civil & Structural Engineers

We partner with engineering teams to deliver reliable soil data, lab analysis, and foundation recommendations that guide sound design decisions.

Municipalities & Public Works

Our testing and geotechnical services support city and county infrastructure—roadways, drainage, and utilities—with dependable reporting and turnaround.

Local Businesses

We support local owners expanding or improving properties with geotechnical investigations and materials testing for safe, efficient builds.