At GTS, we provide certified construction materials testing and geotechnical engineering services across Phoenix, Yuma, and the State of Arizona. Our fully accredited construction materials laboratory and testing services ensure that soil, concrete, asphalt and aggregate materials meet all ADOT, ASTM, AASHTO, and ACI standards, help your construction project achieves compliance, durability, and long-term performance.
Geotechnical engineering is a branch of civil engineering focused on the behavior of earth materials and their interaction with structures. It includes the design and analysis of foundations, slopes, retaining walls, and other critical infrastructure in Arizona.
We offer site investigation, materials testing, foundation design, and risk management — all aimed at ensuring your project is safe and compliant in Phoenix, Yuma, Arizona and nationwide.
Look for experience in local projects, certifications, and proven results. A strong engineering partner provides effective solutions tailored to your site’s conditions not matter which state you live in.
Materials testing ensures soil and rock meet performance standards for safe, durable construction in Arizona's unique geological conditions.
We provide the site data and risk assessments that guide design, material selection, and compliance strategies for projects in Phoenix and across Arizona.
Foundation design involves soil analysis, load requirement calculations, and the selection of suitable materials — all tailored to meet local codes and site conditions in Arizona.
